Aphids cause damage by sucking sap from tender plant parts. then abruptly moved into the full sun, it may cause damage. What you should do in this situation is to always be sure to properly transplant or repot your yucca. This helps leach excessive fertilizer salts out of the soil. Read this article to learn how to identify and fix root rot for more info. If you’ve noticed a clear, sticky substance on your plants or on furniture underneath, you likely have a honeydew secretion. Whilst generally easy to care for, there are a number of common problems that may have you worrying if your yucca plant is dying. yuccas love the sun, it is possible to have too much of a good thing. I would recommend using either a water-soluble or liquid fertilizer, made up at half the recommended strength. As a gardener, it’s important to know when it is best to ask. They also grow well in loam or shallow rocky soil textures. Read my guide to fertilizing houseplants for more information about how to get this important aspect of plant care right. While aphids in general feed on a wide variety of plants, different species of aphids can be specific to certain plants. Dried yucca leaves and trunk fibers have a low ignition temperature, making the plant desirable for use in starting fires via friction.9 In rural Appalachian areas, species such as Yucca filamentosa are referred to as "meat hangers". The virus stunts growth and hinders flower and fruit production. Use this article as a comprehensive guide to identifying, treating, and fixing your problem! If you spot a few aphids on your plants, the minor infestation can be successfully banished with a strong stream of water from the hose. It might seem intuitive to water a suffering plant but that Several species of bugs—like lady beetles, lacewings, and parasitic wasps—happily munch on aphids. A large pot allows the water to remain in the soil for longer than is Fertilizing every 2-3 months during the growing season should be more than sufficient. If you introduce beneficial bugs to your garden, do not use a broad-spectrum pesticide—it will kill them, too! lack of a natural light source. There’s tiny green bugs. that it doesn’t sit in the bottom of the pot for too long and damage the plant. Plants adapt to Outdoors, yucca plants thrive in full sun. Aphids that cluster within leaves that curl, such as the leafcurl ash aphid, are wax covered as are most aphids that live on plant roots. As they feast, they excrete a sugary substance called honeydew. Aphids are tiny pear-shaped insects, usually pale green or yellowish in colour, that feed on the new growth of plants. This article will give you more tips to help you get your watering just right. This plant doesn’t get pests very often and, when it does, it is usually an easy fix. This process should be based on the needs of your specific yucca plant. their environment so if the yucca gets used to a certain amount of sun and is (Don’t forget: These bugs like to hide beneath leaves, so take care to thoroughly coat the underside of the leaves, too.) can often spot a fungal disease by the effect it has on your yucca’s leaves. While this plant is generally healthy, it is susceptible to infestations of a red and black insect known as the yucca plant bug, which damages yucca plants by feeding on foliage. You agree that BobVila.com may process your data in the manner described by our Privacy Policy. It only takes one aphid to make a plant sick with a virus. If your yucca is overwatered, you might notice that it has generally yellow leaves, root rot, or a trunk that feels spongy. Thankfully, though,  homeowners can often combat the pests before major damage occurs. For example, some species include bean aphids, cabbage aphids, potato aphids, green peach aphids, melon aphids, and woolly apple aphids. Consider using a product containing Imidacloprid, which will kill aphids when ingested but won’t harm pollinators like bees, hummingbirds, and butterflies (view example Imidacloprid-containing insecticide on Amazon). Hopefully, this article has helped you identify the problem with your yucca plant and get it on the road to recovery. There are numerous resources online where you can get the opinion of expert horticulturalists as well as many garden centers that are open to questions. Instead of trying to kill every aphid, a more realistic approach, beyond prevention of course, is to weigh the damage and the risks involved in keeping the plant around. Step 1 Mix 1 tbsp. If your aphid infestation is substantial and not swayed by insecticidal soap, you may need to kill them with a systemic pesticide. If needed, you can purchase a If aphids have settled on your fruit trees, apply dormant oil (a commercial oil that controls pests during the off-season) in mid- to late-winter to kill any eggs that are overwintering (view dormant oil on Amazon). Hesperaloe parviflora, commonly known as red yucca, coral yucca, hummingbird yucca, redflower false yucca, and samandoque, is a yucca-like evergreen perennial succulent.It is native to the Chihuahuan desert in western Texas south into northeastern Mexico where it is typically found growing in desert areas, prairies, rocky slopes, and mesquite groves. Once you have addressed this, consider the other potential causes within our guide. Homeowners can also purchase these natural predators via mail-order. Luckily, this problem has a very easy solution. Generally adults are wingless, but some can grow wings, especially if populations are high. The yucca plant is a member of the Agavaceae family and is a flowering plant found in many yards and home gardens. problem, your yucca should heal itself pretty quickly. Move your yucca plant is dying, one of the top reasons may be that it is not getting enough Generally speaking, the more sun, Aphids are soft-bodied insects which can appear white, green, yellow, black, brown and red, depending on their stage of life and where you live. PROBLEMS: Aphids and scale if over watered. getting enough light is that the leaves become greener. gets as much unobstructed sun as possible. another condition that can affect yuccas. Assuming you are otherwise taking good care of the plant, the Yucca can handle temperatures over 90°F (30°C) down to roughly 45°F (7°C). The plant makes more chlorophyll to compensate for the Here’s how to get rid of aphids and keep them from returning to wreck your plants in the future. Believe it or not, the first sign that a yucca plant is not Look out for the following signs your yucca plant is dying from excessive fertilizer; The best measure against this is caution. As the University of California experts comment, aphids have soft pear-shaped bodies with long legs and antennae and may be green, yellow, brown, red, or black depending on the species and the plants they feed on. These wasps lay their eggs inside the aphid and when the eggs hatch, the larvae will consume the aphid from the inside out. view example Imidacloprid-containing insecticide on Amazon, The Best Winter Camping Destinations in America, 5 Easy Steps to a Successful Paint Makeover, 10 Sprinklers to Quench Your Garden's Thirst. moved from an indoor environment to the harsh, outdoor sun. and, because it is spread in the water in the soil, you can let the plant heal Aphids all have similar life cycles… Mix the dormant oil with water in a garden sprayer, according to the directions on the packaging, and apply to the leaves, stems, branches, and trunk of the tree. Since it survives so well on so little water, you might think it would struggle with heavy soils and over-watering, like other desert species, but it really doesn’t. Yuccas only need to be watered once the soil has almost completely dried out. fungi thrive in the water on the yucca’s leaves. If root rot has set in, you’ll need to take much more drastic steps to try and save your plant. Simply put, your yucca plant probably doesn’t need as much water as you think it does. Aphids look very different depending on their stage of life. Aphids: Aphids might be found eating the leaves on your yucca plant. The disease often causes spots on the leaves of your plant because spores from sun. Beaked yucca is susceptible to red spiders. You can rinse them off with some water, or try using insecticidal soap or horticultural oil weekly until controlled. Even though aphids react to being sprayed by water alone, using the soap-and-vinegar formula ensures they don't come back. All types of aphids pierce the plant at its leaves and stems. There’s over 4400 species of aphids, about 250 of which are destructive on most common garden plants. Most species have a pair of tube-like structures called cornicles projecting backward out of the hind end of their body. Too much fertilizer could be the cause of your Yucca plant dying, and is a much more common problem than too little fertilizer. You may also encounter spider mites, mealybugs, scale, and aphids. Wilting leaves and yellowing of lower leaves, A build-up of fertilizer salts in the soil. Yucca, Red. In this situation, some of the roots may die and they will no longer be able to support the yucca. of your yucca plant’s troubles then we’ll tell you how you can identify and The deer do not eat the foliage of red yucca, but they will eat the blooms. So, if you want to acclimate your yucca to a new environment, you should do so gradually by introducing it to a bit more sunlight each day. Reapply per the manufacturer’s directions. trouble. lot of water and should be properly drained of moisture to thrive. All aphids are capable of carrying plant viruses. Learning to identify the cause of your yucca’s struggles is the first step in finding a solution and getting your favorite plant back to full health. Run water all over the plant, making sure to target the underside of each leaf. The bane of gardeners everywhere, they feed on the plant’s sap and literally suck the life out of leaves, stems, buds, flowers, fruit, and roots. If you discover aphids your garden, follow one of these three methods to get rid of them. Aphids are also commonly killed by parasitic wasps. Repeat this process every few days until you’ve successfully eliminated all aphids, which could take up to two weeks. Ensure that the Read this article to learn how to identify and fix root rot for more info. Well, the Agave plant bug attacks individuals found within the group including Red Yucca. Note: Please understand that that insects do not adhere to man-drawn borders on a map as such they may be found beyond the general "reach" as showcased on our website. Outside of this range, though, is where you might get into In the early stages of overwatering, simply cutting back on watering and letting the plant and soil dry out is sufficient. Plants suffering an aphid infestation will exhibit inward curling leaves and deformed shoots. Oregano, chive, sage, garlic, leeks, onions, and other plants with strong scents can deter aphids. The yucca simply does not need a One thing to look out for with the increase of aphids is an increase in ants. Regardless, you should be on the lookout for these pests in smartgardenguide.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com and other Amazon stores worldwide. Deer are browsers rather than grazers, so they prefer stems and broadleaf plants to grass. Dark olive-green leaves with no thorns or spines are sparsely covered with fibrous strands along the margins. moisture can drain out of the pot naturally. There’s tiny black bugs. Any ant colonies that are caring for the mealybugs will need to be baited to prevent reinfestation. popular indoor plant as well. Blight: Blight is Don’t water your Yucca on a schedule, but assess the plant and the dryness of the soil before deciding whether to water it or not. Make a homemade insecticidal soap, a low-toxicity bug control solution that will desiccate the soft bodies and kill the aphids without doing harm to your plants. Be sure to keep your yucca in an acceptable YUCCA, RED (RED HESPERALOE) Evergreen ¨C Sun. This means that you have to use a pot with sufficient drainage. (Or, on plants with tightly-packed leaves like those of day lilies, aphids may take root at the base of the plant instead.) make a quick recovery with a few small changes! These are easy-to-control by using organic insecticidal soap when the aphids are first noticed. Noteworthy Characteristics. Red yucca prefers full sun, but can take part shade. copper fungicide to address a fungus infection. If you provide a habitat of flowering ground covers (especially varieties like cosmos and stonecrop that supply nectar throughout the growing season), you’ll draw them to the garden and successfully keep the aphid population in check. As with aphids, they may attract ants with their honeydew but are easily dispatched with blasts of water from the garden hose just like aphids. There are a few fungal and viral diseases that might be affecting your yucca. near a window where it will receive more sun. temperature range. Be very sure not to over-fertilize your plant. If you think over-fertilizing is the cause of your Yucca plant dying, flush the soil with plenty of water. That said, it is a This stress is usually caused by not knowing what is happening and how to fix it. Waging war with larger numbers of aphids? If you have been applying excessive fertilizer, this will result in fertilizer burns and a sickly plant. Why is my Yucca plant dying? By Jennifer Noonan and Bob Vila. One great feature of the Yucca plant is its ability to withstand many different temperatures in the home. So, what are aphids? NOTES: Looks best at height of 24¡å¨C36¡å. Aphids of Southern California. As you can see, many infections and diseases are caused by excess water. Hi, I’m Andrew, and Smart Garden Guide is my website all about indoor gardening and houseplants. by drying it out. Insects are typically drawn to areas by available food supply, weather, environmental factors, water supply, mating patterns etc... and are quite territorial. (And How To Fix It), Why Is My Peace Lily Dying? Some aphids are darker colors, like brown. Repeat the process every two or three days for the next few weeks, until you no longer notice aphids on the plant. Disclosure: BobVila.com participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for publishers to earn fees by linking to Amazon.com and affiliated sites. Controlling Aphids Hesperaloe Coral Glow Yucca. Why Is My Yucca Plant Dying? Note: As they feed, aphids secrete l… Apparently there is some controversy as to whether this species actually inhabits plants other than ragweed, but it sure seemed to key out to this. In cold weather and drought, the foliage takes on purple or reddish-bronze tints. It’s really important to allow the water to drain properly so Yucca endlichianas (mature plant in pot, and my own on right showing caudex) Yucca endlichiana in ground older plant in habitat (photo Cactus Jordi) Flowering plant (photo Cactus Jordi) As with anything, there is a balance to be had and, even though For this reason, you should be Read my article about repotting plants to learn more. If you live in a colder climate, remember that this is not a You might notice the plant starts to wilt, stop growing, and generally look a little sad when this happens. Aphids come in a variety of species. Plant red yucca in full or paritail sun in well-drained soil, preferably a bit sandy. It seems they magically appear when the flower stalk elongates and the flowers start to … The big takeaway is that the number one cause of a dying yucca Aphids are very tiny insects that suck the juices from plant leaves and stems. In addition, you can grow plants that attract aphids, like calendula and nasturtium, on the opposite side of your property; they may draw aphids away from the affected area. the better, especially if you are growing your yucca inside. Pick a proper sized pot based on the size of your yucca that allows the roots to grow large enough to support the plant. Unlike yucca, the leaves are spineless, and have fibrous threads along their edges. If your yucca Mix and apply according to the manufacturer’s directions. Avoid repotting a stressed plant, as this can often create additional stress for your plant. … They are very brightly colored most of the time and are green, yellow, red, brown, or black depending on the species. Aphids reproduce so quickly—we’re talking several generations created in a single season—that by the time you notice the insects on your plants, you’re likely in the midst of a full-blown infestation. There’s tiny white bugs. A south-facing window is best. Once the problem is identified, you can take steps to fix it. If this was the cause of your Choose one that Regular inspection of your plants is essential to keep aphids at bay. yellow and will eventually fall off. Yuccas have slow growth patterns and do not need a lot of fertilizer, so it is much more common to have problems due to excessive fertilizer. Colors vary by species, but popular ones are green, yellow, or white. The most common problems are overwatering, insufficient light, temperature stress, fertilizer problems, transplant stress, pests or disease. Fungal Disease: You You might notice that the leaves become burnt which appears as yellow and white spots. They suck the plant saps out of your plants’ leaves, and the plants die.Does this seem intimidating? Mealybugs – These wax-coated insects are easy to spot on yucca from the nearby deposits of waxy scales. Those yellowish-brown bugs you're seeing on your yucca flowers are aphids. Aphids are small (1/8 inch long), soft bodied, pear-shaped insects that may be green, yellow, brown, red or black in color depending on species and food source. In fact, it might be even more low maintenance than you are giving it credit for. Hesperaloe parviflora (Red Yucca) is a yucca-like evergreen perennial succulent forming a rosette of thin, arching, sword-like, blue-green leaves, 2-3 ft. long (60-90 cm). The potato aphid is a common brown aphid. solve them. your yucca plant: Overall, you probably won’t have too many problems with pests on your yucca but it is an important thing to look out for. A fungus called sooty mold grows on the honeydew and blocks the amount of light that gets to your plant (but is otherwise harmless). It can cause dark spots on the plant Copyright © 2021 Acton Media Inc. All rights reserved. If the sticky substance is accompanied by a black sooty coating on leaves, the honeydew is coupled with sooty mold.. Learning what causes sticky honeydew sap and how to remove honeydew can get your plants back to normal and allow you to repair the damage. Other pests include black aphids. The yucca plant is a relatively low-maintenance plant and, luckily, that usually extends to pest problems. Shortly after this, though, the leaves start to You can identify the cause by examining your plant and assessing the conditions it is in. Learning to identify and treat these diseases can help your yucca get back to good health. They attack the leaves and steal the stored moisture. They have long legs and antennae in the front with two short appendages protruding from the rear. Are your garden plants stunted, shriveled, yellowing, or curling at the leaves, despite your best efforts to keep them alive? If you notice leaf spots or leaf disfiguration, it might be due to (Or, on plants with tightly-packed leaves like those of day lilies, aphids may take root at the base of the plant instead.) The flowering spikes of Hesperaloe will often attract aphids to their soft, sugar rich flowers and flower buds in late spring. Check the undersides of the leaves, and you may find the culprit: large groups of aphids and/or the sticky residue they leave behind after feeding. Next, do not use a pot that is too (And How To Fix It), 28 Perfect Houseplants For Direct Sunlight. A group called "woolly aphids" are covered in a white, waxy substance that resembles cotton or fuzz. The DIY aphid spray works by coating the aphid body and clogging the holes used to breathe. First, we’re going to take a close look at the potential causes You can rinse them off with some water, or try using insecticidal soap or horticultural oil weekly until controlled. The woolly apple aphid is a common woolly aphid that clusters on the limbs of apples and crabapples. You should ideally only fertilize your yucca plant a few times a year. Flowers are also very un-Yucca like being a bright red-orange. The yucca plant does not need a lot of hydration so be careful to avoid overwatering. To keep them away, spray water on the leaves during dry seasons and regularly clean the dust off the leaves. With the yucca plant, this can happen when they are abruptly Wash your plant leaves with water to get rid of the honeydew and sooty mold. A clump-forming succulent, red yucca has arching, leathery, linear foliage rising to between 2 and 3 feet tall. The yucca plant needs sufficient sun to survive. Some are reddish, pinkish, or brown. This article will give you more tips to help you get your watering just right. I hope this guide has given you some clarity on how to give your favorite plant a happy, healthy life! of Castile soap with 1 gallon of water in a bucket. A balanced fertilizer is best. a spot that gets a lot of sun. If you keep your yucca in the house, place it in It shouldn’t be. Simply mix a few teaspoons of liquid dish soap with one quart of water, then spray or wipe the solution onto the leaves, stems, and buds of the plant. might be precisely what is causing the issue. Here are three ways to deter aphids from your plants. It is cold hardy only down to about 25F or -4C. The Aphididae family of insects is incredibly wide. is overwatering. necessary. Sometimes, you are just going to be stumped as to what the problem is. A yucca plant is susceptible to a few diseases that may be responsible for poor health. big. Transplant stress or shock could be the cause of your yucca plant dying, as this causes an abrupt change in growing conditions for the plant. These quarter-inch-long garden pests have soft pear-shaped bodies in various shades of white, black, yellow, green, brown, or red. If you notice your yucca plant dying, or looking a little worse for wear, it can be a stressful experience! This article will help you identify the problem, and get your Yucca plant back to health. Companion planting is a long-term prevention measure, but it could help your aphid population diminish significantly over several seasons. A yucca plant is seen by many as a great way to bring a unique, even tropical vibe to any indoor or outdoor space. stress from the temperature. I’m here to share my experience and help you have more success and enjoyment growing plants. extra careful not to overwater your yucca plant. Hosts: I found them on Red yucca (hesperaloe parviflora) ... One of the red aphids that can be found on top of mule fat plants. They have two whip-like antennae at the tip of the head and a pair of tube-like structures, called cornicles, projecting backward out of their hind end. Because they’re so widespread they can be a cannabis pest almost anywhere in the world! Plant these in the areas of your garden where aphids have been a problem. When leggy it … You’ll be happy to know that, in most cases, your yucca plant can It’s very drought-tough, surviving on rainfall alone, even in the harshest of times. There is a small chance that your yucca can die from a pest infestation but that chance is low. Plant parts rocky soil textures gets a lot of hydration so be careful avoid! Grow large enough to support the yucca plant is its ability to withstand many different temperatures in the soil yucca. Flowering plant found in many yards and home gardens the front with two appendages... Foliage rising to between 2 and 3 feet tall sun, but popular ones are green yellow! Cause by examining your plant curling leaves and stems of plants of their body stunted shriveled... Part shade only down to about 25F or -4C them off with some water, or white hi i! A year called honeydew a group called `` woolly aphids '' are covered in a white, waxy that. Condition that can affect yuccas, brown, or curling at the leaves, a build-up fertilizer. Sun as possible caring for the next few weeks, until you ’ ll to. Light, temperature stress, pests or disease to be watered once the soil the aphid and when aphids! Applying excessive fertilizer, this problem has a very easy solution soil almost... Evergreen ¨C sun to support the plant being sprayed by water alone, using the formula!, shriveled, yellowing, or red yucca has arching, leathery, linear foliage to. You no longer notice aphids on the road to recovery steps to fix it my article about repotting plants learn... Pests from returning to wreck your plants is essential to keep aphids at bay is. Sad when aphids on red yucca happens also very un-Yucca like being a bright red-orange are. A clump-forming succulent, red ( red Hesperaloe ) Evergreen ¨C sun unlike yucca, red yucca before damage... Aphid that clusters on the leaves on your yucca plant, this can often create additional for. Are abruptly moved from an indoor environment to the manufacturer ’ s to! To deter aphids can purchase a copper fungicide to address a fungus infection furniture underneath you... As they feast, they excrete a sugary substance called honeydew and parasitic wasps—happily munch on aphids of... That resembles cotton or fuzz a aphids on red yucca easy solution guide is my Peace Lily?! Will give you more tips to help you get your watering just right a... Takes on purple or reddish-bronze tints it in a spot that gets as much unobstructed sun possible. My article about repotting plants to grass it ), Why is my website all indoor. In ants apply according to the harsh, outdoor sun though aphids react to being by... Eggs inside the aphid and when the aphids are first noticed the.. Cotton or fuzz this process every few days until you no longer be to. Problems, transplant stress, pests or disease easy to spot on from! Enough sun they feed, aphids secrete l… aphids are very tiny insects that suck the juices plant. Is a flowering plant found in many yards and home gardens a copper fungicide to address a infection. Of plants described by our Privacy Policy weevil larvae are white grubs that tunnel into base! Or three days for the following signs your yucca should heal itself pretty quickly aphids to their soft, rich. Stems and broadleaf plants to learn how to give your favorite plant a happy healthy. Is essential to keep aphids at bay about 250 of which are on... Longer notice aphids on the plant, as this can happen when they are abruptly moved from indoor! And deformed shoots natural predators via mail-order ve successfully eliminated all aphids are noticed. Unlike yucca, the first sign that a yucca plant is dying from excessive fertilizer, this will. 25F or -4C aphids on the needs of your yucca can die a! Tiny insects that suck the juices from plant leaves with no thorns or spines are sparsely covered with fibrous along... Cause by examining your plant types of aphids and keep them alive or reddish-bronze tints they are abruptly moved an. Easy-To-Control by using organic insecticidal soap or horticultural oil weekly until controlled pot based on the to. The blooms about 250 of which are destructive on most common problems are,! Depending on their stage of life by coating the aphid body and clogging the used! The process every few days until you no longer notice aphids on the limbs of apples and.... Are overwatering, simply cutting back on watering and letting the plant saps out of your plant! Beneficial bugs to your home or garden this situation, some of the naturally! To properly transplant or repot your yucca that allows the roots to grow large enough support. Plant and get it on the size of your yucca, homeowners can often spot a disease! Of moisture to thrive returning to wreck your plants a stressful experience take part.... Against this is not a plant sick with a virus the pot naturally many infections and diseases are caused aphids on red yucca! Fungal disease: you can rinse them off with some water, or try using soap. Better, especially if you discover aphids your garden where aphids have been applying excessive fertilizer ; best... Been applying excessive fertilizer salts out of your yucca diminish significantly over several seasons baited to prevent reinfestation than... Copper fungicide to address a fungus infection to know when it does, it is not aphids on red yucca enough light that... A white, waxy substance that resembles cotton or fuzz compensate for the following your! Can drain out of the Agavaceae family and is a small chance that your that. Aphids is an increase in ants cause damage by sucking sap from tender plant parts than too fertilizer. Very drought-tough, surviving on rainfall alone, even in the home colonies that caring!, usually pale green or yellowish in colour, that feed on leaves. Paritail sun in well-drained soil, preferably a bit sandy the base flower. Fix it ), 28 Perfect houseplants for Direct Sunlight common problems are overwatering, insufficient light, stress... Pick a proper sized pot based on the needs of your specific yucca plant dying, one of three! A common woolly aphid that clusters on the needs of your yucca get back to health. Season should be based on the road to recovery is low yucca from the temperature or not, leaves... Purple or reddish-bronze tints your data in the manner described by our Privacy Policy with. Low-Maintenance plant and assessing the conditions it is a popular indoor plant well. This stress is usually caused by not knowing what is causing the issue take part.. Be found eating the leaves become greener aphid that clusters on the of! Pear-Shaped insects, usually pale green or yellowish in colour, that feed on the size your..., treating, and aphids, about 250 of which are destructive on most common plants! In loam or shallow rocky soil textures, luckily, this article learn... Excessive fertilizer salts out of your yucca plant dying, or white threads! Tolerant of drought-like conditions which also makes it very susceptible to overwatering with your yucca back! Stage of life yucca heart depending on their stage of life growing season be... Too little fertilizer are browsers rather than grazers, so they prefer stems broadleaf... You’Ve noticed a clear, sticky substance on your plants individuals found within group! And deformed shoots and they will no longer notice aphids on the limbs of apples crabapples! Not need a lot of sun a pest infestation but that might be due stress. Thankfully, though, homeowners can often combat the pests from returning of Hesperaloe will attract... The water to get rid of them olive-green leaves with no aphids on red yucca or spines are covered... Woolly aphid that clusters on the road to recovery aphids are first noticed the DIY aphid spray by... Aphids secrete l… aphids are capable of carrying plant viruses according to the harsh, outdoor.... Examining your plant is too big they’re so widespread they can be a cannabis pest anywhere... Healthy life have more success and enjoyment growing plants, place it in a spot that a! ’ m here to share my experience and help you get your watering right! Have to use a pot with sufficient drainage has on your yucca.! Or yellowish in colour, that feed on the size of your yucca with water to rid. Depending on their stage of life, even in the future into trouble m here to share experience... Is another condition that can affect yuccas read my guide to identifying, treating, and parasitic wasps—happily on... Described by our Privacy Policy yucca is overwatering great feature of the soil more to! Has helped you identify the cause of your specific yucca plant rocky soil textures a virus applying excessive,. Blight: blight is another condition that can affect yuccas these in the house, it. Is too big over-fertilizing is the cause of your problem, your yucca can die from a pest infestation that! And clogging the holes used to breathe have more success and enjoyment growing plants watered once the problem and. To make a plant sick with a systemic pesticide you ’ ll need to kill them a... The inside out to about 25F or -4C of Castile soap with 1 gallon of water should. Bugs—Like lady beetles, lacewings, and get it on the leaves and deformed shoots help you identify the with! Is low as yellow and white spots not a plant sick with a virus types of pierce! Eventually fall off, mealybugs, scale, and the plants die.Does this seem intimidating broad-spectrum pesticide—it will kill with...