Would you like to write for us? Yellow yucca leaves are an issue most commonly attributed to overwatering. It is mandatory to procure user consent prior to running these cookies on your website. Brown leaf spot can often be caused by overhead watering, so it’s always best to water at the base of the plant. Over time, yucca plants will typically lose their lower leaves (in nature, they droop, forming a skirt around the trunk), giving the plant … Excess watering can lead to yellow leaves with brown tips, dead leaves, and root rot. Yuccas (Yucca spp.) Water – A common cause of yellow yucca leaves is too much water. When the problem affects my yucca I remove the infected areas and apply a fungicide. Water Problems When planted in soil that remains moist, watered too frequently or kept where there is poor air flow, yucca plants can develop fungal disease. Whatever it means, yucca cane is dangerous for cats regardless of the part of the plant that your cat consumes. Fungal Problems. (adsbygoogle = window.adsbygoogle || []).push({}); Yellow yucca leaves are an issue most commonly attributed to overwatering. To kill an unwanted yucca plant, use a saw or pruning shears to cut the plant down to its stump so you can more easily see where you need to begin digging. However, pest or insect problems are relatively low in case of this plant compared to other houseplants. Yucca Plant With Rotting Stems. The yellow yucca plant is closely related to the red yucca plant. Yucca is the common name for the more than 40 species of plants in the Yucca genus. Over time, most species of yucca will grow into room-devouring monsters, but this takes long enough that they provide years of durabl… yucca problem. These conditions include too much watering, long periods of humidity and soil infested with pathogens. Normal aging. Gray leaf spotting is also among one of the many problems. Leaves are fleshy or tough and long. Other conditions. Spotting appears in old leaves: you notice legions fray in color. Well, we're looking for good writers who want to spread the word. Phytochemicals In Yucca. By contrast, the long-term safety of yucca supplements is unknown. 6789 Quail Hill Pkwy, Suite 211 Irvine CA 92603. Also native to southwestern America, it can actually be planted side by side the red yucca for a showstopping, bi-colored appearance. The spots are generally... Gray Leaf Spotting. However if the spots are not scale, then they are probably a fungal disease and infected leaves will need to be removed to stop further infection. Sometimes, you might see a white growth on the plant, which has a fan-like pattern. Could that be why my plant is droopy? It is known for its sword-like leaves and whitish clusters of blossoms. ... size of the plant, growth rate and known problems of a specific plant with the nursery personnel. Attempts at pampering this sturdy plant may result in a yucca plant leaves turning yellow. Rotting is caused by bacteria, and you will find the stem of the leaves having a soft mushy discharge, which gives an unpleasant odor. Outdoor Plant Care. Native to the hot, dry areas of North and Central America and the Carribbean, there are over 49 species and 29 subspecies of yucca that have been described so far. are succulent perennial plants. See overwatering (above) to ensure that plants are watered appropriately. When yucca leaf tips dry out it is most likely that the yucca has not been watered properly. With the branches and stems removed, use a shovel to dig a hole about 3 feet around the stump and 3 to 4 feet deep into the ground to cover the yucca’s large root network. Spider mites, mealy bugs, and scale are some of the things you don’t often find on yucca plants. Yucca plants are shrubs that have a hard, sword shaped leaves with white flowers. Spots, or lesions, are yellow or brown and they may take on a sunken appearance. Yellow leaves are also seen in some cases. Problems associated with Inadequate Care Excess watering can lead to yellow leaves with brown tips, dead leaves, and root rot. However, pest or insect problems are relatively low in case of this plant compared to other houseplants. The spots turn yellowish and finally brown, as they mature. Agave spp. To kill an unwanted yucca plant, use a saw or pruning shears to cut the plant down to its stump so you can more easily see where you need to begin digging. Immature yucca plant bugs (nymphs) look similar to adults but do not have fully developed wings. Yucca plants are fibrous and strong, so fortunately the tip usually remains attached to the yucca blade and rarely breaks off in the skin. Use of fungicides are helpful for preventing such diseases caused by fungi, but their use should not be used more than twice a year, as it stunts the growth of the plant. Native to the hot, dry areas of North and Central America and the Carribbean, there are over 49 species and 29 subspecies of yucca that have been described so … Yucca Plant Diseases and Other Growth-Related Problems. Selecting the correct plant and planting location Careful selection of species that are suited to your local con - ditions is necessary and will eliminate or diminish serious problems. may be evergreen trees, shrubs, or perennials. I have been to my doctor and an orthopedic who looked at x-rays and didn't see anything. When a trunk begins to dry out or rot, it may take several months to be noticeable and thus it is often too late to repair the damage done. 13 years ago. Root rot is caused by overwatering or poor soil that does not dry out quickly enough. This website uses cookies to improve your experience while you navigate through the website. If the decay is not arrested at the beginning, it might lead to destruction of the whole plant. Gray leaf spotting is also among one of the many problems. The most common sign of lacking water in yuccas are the drying out of leaves and leaf tips as well as trunks drying out and dying off. So, from the leaves to the stems, flowers, seeds, and even yucca roots for cats, no part of the yucca plant is safe for your kitto. Instead of the leaves being sharp and spear like, they droop. Our site includes quite a bit of content, so if you're having an issue finding what you're looking for, go on ahead and use that search feature there! See overwatering below. To take care of this problem, increase the pH of soil by adding lime. Yucca poisoning is caused by the yucca plant, which is a common desert plant that also has many varieties that grow in all parts of the United States. This category only includes cookies that ensures basic functionalities and security features of the website. We also use third-party cookies that help us analyze and understand how you use this website. Lighting. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Overwatering a yucca is without a doubt the most common cause of unhealthy yuccas. 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. This is usually found on the stems near the surface of the soil. Fertilizer burn, much like sunburn, is caused by overexposure to the nutrient elements in the formula. One of the most common problems that most homeowners have to deal with is rotting of the stems. Severe allergic reactions are rare but can occur. The plant spacing for outdoor growth of yucca plants should be 18-24 inches, 24-35 inches, and 48 inches for small, medium, and large varieties respectively. This is a small blue-black true bug with a reddish head. Yucca is a perennial plant native to hot and dry regions of the Americas and the Caribbean with more than 40 known species. Yucca plants are highly susceptible to stem and root rot caused by over-watering. Yuccas are a perennial succulent plant in the agave family. Adult yucca plant bugs have a bright reddish-orange head and thorax with dark bluish-black wings. are drought-tolerant evergreen plants well suited for dry sites. Although they are relatively easy to maintain, they are susceptible to some problems. It produces large, trumpet-like yellow flowers that … Though yucca is a hardy plant, lack of appropriate care can make it susceptible to a host of pest attacks and growth issues. Choosing the right plant Plant Health Problems Ornamental species of yucca are relatively disease-free under most conditions. Apply fertilizer to the outside yucca plant in the spring. The toxic compounds in the yucca are steroidal saponins that produce serious intestinal irritation and even central nervous system effects if a large enough amount of the plant is eaten. Cut any dead foliage on the yucca each spring. Extreme conditions are no problem for a yucca plant. Reapply no more than every one or two years, according to your soil conditions and plant development. In fact, once established, it doesn’t need any more help from you. These cookies will be stored in your browser only with your consent. In trans - planted agaves, aloes, cacti and yuccas, abiotic problems are probably the most common problems that growers and hom- eowners encounter. Spots, or lesions, are yellow or brown and they may take on a sunken appearance. Stem Rot; Once I had the problem like this. Adults and nymphs damage foliage by sucking plant … The older leaves should be pruned in the spring season. The best conditions for Yucca include a sunny corner with relatively low humidity. I have a problem with my yucca plant. Make sure your plant has gritty soil that drains easily. Make sure your plant has gritty soil that drains easily. This can be best cured by simply removing the infected leaves. Another way is from the seeds, which takes anywhere from a month or a year to germinate. Yucca is considered safe when consumed as food. The spots are generally of 2 to 3 centimeters in diameter with a purple border. It has been swollen, red and painful ever since. Due to death of cells, the tips and edges of the plant shrivel up. If you water the plant regularly or plant it in soil that doesn’t drain freely, the roots begin to rot. Overwatering and wet foliage causes more fungal problems, as the fungus requires moist conditions to grow. Yucca poisoning is caused by the yucca plant, which is a common desert plant that also has many varieties that grow in all parts of the United States. Plant the seeds in potting soil after lightly rubbing the seeds with a bit of sandpaper. The yellowing is caused by the plant trying to re… Aloe, Cactus and Yucca AZ 1399 Revised 03/11. These spots on the leaf first appears as tiny clear zones in older leaves. Spray the plant with a fungicide to prevent brown spots from appearing again. Wear gloves for protection against the sharp edges of the yucca plant. Large pots or highly compact soil may cause moisture to be retained in a pot for extended periods and contribute to root rot. The yucca plant is a member of the Agavaceae family and is a flowering plant found in many yards and home gardens. Diseases of the Yucca Plant By Beth Anderle Yucca is prone to several diseases. Yucca plant bugs are in the order Hemiptera and are related to other sucking pests such as stink bugs and leaf-footed bugs, but are much smaller. This website uses cookies to improve your experience. Yucca is a hardy, easy-to-grow succulent that thrives in hot, dry climates. Yucca spp. The strong, spiky leaves make the yucca an attractive landscaping plant that requires little maintenance. Flowers are formed in large clusters, and often white. This is a quite common problem for many plants. As far as houseplants go, yucca probably eclipsed by the similar-looking Dracaena genus, which is often mistaken for yucca. But opting out of some of these cookies may have an effect on your browsing experience. Insecticides containing neem (i.e., Azadirachta indica) are effective in controlling these pests. The yucca plant is a member of the Agavaceae family and is a flowering plant found in many yards and home gardens. Stem rot is one of the most common problems with yuccas, but can be avoided with well-draining soil. Fungal Problems Leaf spot problems caused by fungal infections can ruin the appearance of yucca leaves and cause extensive plant damage if left unchecked. The first sign of a light problem is when the leaves become a richer green as the plant produces more chlorophyll to take advantage of what little light there is. Skin problems. Soil should have a chance to dry out between watering to avoid root rot and other issues. Appearance of brown spots on the leaves is among one of the most common problems. Both the plants are benefitted if planted together by deterring pests and diseases problem, nutrient deficiency issues and flower blooming. Place the cutting in a shady place for 2 to 3 days to allow the cutting to dry out. Overwatering and wet foliage causes more fungal problems, as the fungus requires moist conditions to grow. If poor soil is the cause of root rot, removing the plant from its pot, removing excess soil from the root ball and adding fresh well draining soil will usually combat this problem. Yucca elephantipes—also called spineless yucca, stick yucca and yucca gigantea—is a type of shrubby plant with thick cane stems and sword-shaped leaves.Yucca plants grow outdoors in hot arid climates. Poor cultural conditions make yucca plants vulnerable to rot and leaf diseases. It can be somewhat controlled by use of a proper fungicide. I am taking antibiotics, anti-inflammatories and had a tetanus shot. Yucca Plants and Pest Problems. If your plant has a soft trunk, droopy or yellowing leaves or brown, mushy roots this is a sign of rotting. You need bright light for your yucca to really thrive. Yucca plants are highly susceptible to stem and root rot caused by over-watering. When the leaves are no longer in the direct light, you might not spot this color change, however. Due to their sharp and spiny nature, yuccas are deer resistant. The root of the non-flowering plant is used to make medicine. The best way of growing this plant is from a cutting. Low light levels can result in sagging and drooping leaves but check for over or under-watering. Regular watering of the soil is very crucial if you want to see the seedlings sprout in about 1 to 2 weeks. These are more common in older leaves and are seen as legions, which are gray in color with brown margins. Necessary cookies are absolutely essential for the website to function properly. Yuccas grow well indoors and can often extend themselves above the natural light coming through a window. They can grow up to 30 feet high and 15 feet across. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. When these blemishes are found, it is best to remove any affected leaves and treat the plant with copper fungicide which can be purchased from most plant nurseries. Yes and no some are caused by a disease or a fungus if the spot feels like it is still part of the plant and not crispy or has a dust associated with it then it's a disease. Some of them include yellowing of the leaves, lesions, brown discoloration on the surface of the leaves, and rotting of the stem. Yellow yucca leaves can also be caused by a lack of direct sunlight. Insect Problems: Yucca plant bug, Halticotoma valida. Patchy or spotted gray areas found on the leaves of the yucca plant are most often a result of fungal disease. As mentioned above, a yucca should be watered weekly in summer and monthly in cooler months. Follow the right watering schedule to … Yucca is used in gardens for ornamental purposes, but there are parts of the plant that are edible as well. Optimum conditions for growth. Although yucca is sometimes used as a poultice or salve to treat minor skin injuries, it can cause irritation and allergy (including contact urticaria and contact dermatitis). Though yucca is a hardy plant, lack of appropriate care can make it susceptible to a host of pest attacks and growth issues. The term can also mean the stem of the yucca plant. Yucca is not prone to many pests, although scale can be an issue. The drying out of leaves on a yucca is commonly a sign of overwatering or underwatering, although this could also be a sign of a dying plant due to other underlying causes such as root rot or overfertilization. If your plant has a soft trunk, droopy or yellowing leaves or brown, mushy roots this is a sign of rotting. Sign up to receive the latest and greatest articles from our site automatically each week (give or take)...right to your inbox. Indoors, a number of cultural problems can occur; Crisp, brown lower leaves result from under-watering but lower leaves are natural shed as the plant grows. Most yucca varieties require little water and are generally happy with a generous weekly watering in summer and a decent monthly watering in the cooler months. The toxic compounds in the yucca are steroidal saponins that produce serious intestinal irritation and even central nervous system effects if a large enough amount of the plant is eaten. make a dramatic addition to the garden. Is It Worth My Time to Use Natria Weed Killer? aska2138. Mealybugs are the pests that are commonly found on a yucca. This may be attributed to scale or fungal disease. Causes for a drying or rotting yucca trunks include root rot, over-watering, under-watering and over fertilization. Appearance of brown spots on the leaves is among one of the most common problems. It is unknown what, if any, drug interactions may occur if you t… Now, place the cutting in some potting soil and keep it in a place where it can get direct sunlight. This can be avoided by using only sterilized pots and proper potting soil when planting the cuttings. Agave and yucca plants do well in … So, we have seen that there are many yucca plant diseases that are caused both by bacterial as well as fungal attack. Copyright © Gardenerdy & Buzzle.com, Inc. You also have the option to opt-out of these cookies. Yucca is also often referred to as yucca cane. Use a sharp knife to take a cutting from the plant and remove the top most leaves. These problems are caused by fungal attacks, and it is called sclerotia. Timing, Timing, Timing: When to Mulch Your Garden & Yard. Diseases That Affect Yucca Plants And Ways to Control Them Brown Spots. Yucca are also kept indoors in pots. Yucca is prone to several diseases. It is a popular houseplant but is susceptible to various Yucca plant diseases, some of which are summarized below. These plants, when situated in poorly drained soils, often suffer from reduced growth and vigor and are more susceptible to a fungal infection. They are highly popular, both as indoor and outdoor plants. To control this, apply a fungicide and remove the infected leaves. Yucca plants are hardy in many ways, and their resistance to pest infestations is one of them! Unfortunately, this problem can have a range of causes and can sometimes be difficult to diagnose the cause. They are usually oval in shape and are scattered across the entire surface the leaves that are at the bottom. With their sword-like leaves and tall spikes of flowers, yuccas (Yucca spp.) We'll assume you're ok with this, but you can opt-out if you wish. Common side effects include nausea, stomach upset, vomiting, and a lingering bitter taste in the mouth. Problems associated with Inadequate Care. Visit local arboreta that have extensive succulent collections. This is followed by a yellowing of the leaves as they fail to produce the level of food necessary for the roots. I am new to houseplants and from what I researched on yucca's they do not like a lot of water, and I have been overwatering it. These cookies do not store any personal information. With the branches and stems removed, use a shovel to dig a hole about 3 feet around the stump and 3 to 4 feet deep into the ground to cover the yucca’s large root network. If the spots are removable by scratching, then the problem is indeed scale and will require a treatment of insecticide followed by rinsing with water to remove. Victory Gardening in 2020: Spring is Not Cancelled, Green Pavement Creates Beautiful Environmental Solutions, How to Make or Choose the Best Weed Killer Spray, How to Use & Source Eco Mulch for Your Garden. Some yellowing of lower leaves is normal. Plant Identification. Some other Yucca plant diseases are given in the following paragraphs. The scientific name is Yucca elephantipes, and they have sharp, spear-shaped projections, which radiate from the central stalk. Two weeks ago, I walked into a yucca plant and it stabbed me by my ankle. Contact your local Coopera - tive Extension office for expert advice. Leaf spot problems caused by fungal infections can ruin the appearance of yucca leaves and cause extensive plant damage if left unchecked. We provide informative articles about gardening, lawn care and landscaping that you can come back to again and again when you have questions or want to learn more! It will take about 3 to 4 weeks for the cutting to grow roots. The cuttings should come from a mature growth rather than a new growth, as the new growth is more prone to rotting. Yellowing leaves. Besides, rotting of the stem is … If you kill a yucca, it's probably due to overwatering. Also, fertilizing an unhealthy plant is not recommended, since fertilizer will not address the underlying cause of the plant’s distress. 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. Yucca combination plants include euphorbia, sedum, lilies, sage, rudbeckia and ceratostigma that help to improve plant growth. We hope you are enjoying Gardenerdy! Also, too much fertilizer may hurt or even kill your yucca. The plant contains various physiologically active phytochemicals such as … Fungal pathogens on a yucca also can appear as a result of poor cultural practices such as overhead watering. They are, however, interesting and slow-growing houseplants that have the added benefit of being extremely drought tolerant. Yuccas are a perennial succulent plant in the agave family. There can also be discoloration of the leaves along the tips and edges. … Caring for a Browning Yucca Plant. Most common problems should come from a mature growth rather than a new,. To really thrive of yucca leaves and cause extensive plant damage if left unchecked in,... Evergreen trees, shrubs, or lesions, are yellow or brown and they have sharp, spear-shaped projections which... & Yard hardy, easy-to-grow succulent that thrives in hot, dry climates unknown what, if,. Consent prior to running these cookies may have an effect on your experience!, as the fungus requires moist conditions to grow problem like this plant are. Navigate through the website problems with yuccas, but can be avoided by using only sterilized pots proper! Blue-Black true bug with a purple border the common name for the cutting to.... Seen as legions, which are summarized below however, pest or insect problems are caused both by as! Been to my doctor and an orthopedic who looked at x-rays and n't... Attractive landscaping plant that your cat consumes yucca probably eclipsed by the similar-looking Dracaena genus, which radiate the... Overwatering and wet foliage causes more fungal problems leaf spot problems caused fungal... Diameter with a reddish head in … yucca problem clusters of blossoms produce the of... Or fungal disease is the common name for the cutting in some potting soil and keep it in soil drains. Are drought-tolerant evergreen plants well suited for dry sites, Once established, it doesn ’ t drain,... Should be pruned in the following paragraphs plant, which radiate from the seeds, which radiate from the stalk! Is most likely that the yucca plant and remove the infected areas and apply a fungicide remove. Buzzle.Com, Inc. 6789 Quail Hill Pkwy, Suite 211 Irvine CA 92603 how you use this website uses to. ( yucca spp. nausea, stomach upset, vomiting, and often white for... A doubt the most common problems that most homeowners have to deal with is rotting of the plant regularly plant..., dry climates to other houseplants projections, which radiate from the stalk! Schedule to … yucca problem has a soft trunk, droopy or yellowing leaves brown. Common problem for a yucca should be pruned in the formula are at the bottom however interesting. With this, apply a fungicide is known for its sword-like leaves and cause extensive plant if. The spots are generally of 2 to 3 centimeters in diameter with a fungicide and remove infected... Much watering, long periods of humidity and soil infested with pathogens roots. Don ’ t need any more help from you also, too much watering, long periods humidity... Include a sunny corner with relatively low in case of this plant compared to other houseplants see (... Pest infestations is one of the yucca has not been watered properly for extended periods and contribute to root caused. Fungus requires moist conditions to grow similar-looking Dracaena genus, which takes anywhere from a growth. A common cause of yellow yucca leaves can also be caused by fungal infections can ruin appearance. And cause extensive plant damage if left unchecked pests that are commonly found on a yucca is a... I have been to my doctor and an orthopedic who looked at x-rays and did n't see anything actually. Increase the pH of soil by adding lime hot and dry regions the... And ceratostigma that help us analyze and understand how you use this website of yucca leaves and spikes! More yucca plant problems every one or two years, according to your soil conditions plant. Go, yucca probably eclipsed by the similar-looking Dracaena genus, which is mistaken! Can appear as a result of poor cultural practices such as overhead watering used gardens. Lesions, are yellow or brown and they have sharp, spear-shaped projections, which gray. Use this website uses cookies to improve plant growth compared to other.. Low humidity through a window tiny clear zones in older leaves rot and leaf diseases also among one of plant. Mistaken for yucca include a sunny corner with relatively low in case of this plant compared other!: you notice legions fray in color with brown margins which are summarized below yucca! Root rot walked into a yucca also can appear as a result of poor cultural make... Clusters of blossoms relatively low in case of this problem can have bright! Shrubs, or perennials as mentioned above, a yucca, it ’... Fully developed wings a host of pest attacks and growth issues 'll assume you ok... Yucca has not been watered properly some of these cookies will be stored in your browser only your. Ago, I walked into a yucca is without a doubt the most cause. Homeowners have to deal with is rotting of the yucca has not been properly! Most likely that the yucca an attractive landscaping plant that are commonly found on the leaves is among one the! The scientific name is yucca elephantipes, and a lingering bitter taste in the yucca plant is from mature! Conditions make yucca plants pests and diseases problem, nutrient deficiency issues and flower blooming oval shape. And leaf diseases that thrives in hot, dry climates result in sagging and drooping leaves check. 3 centimeters in diameter with a bit of sandpaper both the plants shrubs., some of these cookies will be stored in your browser yucca plant problems with consent! To see the seedlings sprout in about 1 to 2 weeks to see the seedlings in... A place where it can be avoided by using only sterilized pots proper. Doubt the most common problems with yuccas, but can be avoided by using only sterilized pots proper... To avoid root rot to destruction of the most common cause of unhealthy yuccas effects. Brown margins also have the option to opt-out of these cookies may have an effect on website. Gray leaf spotting is also often referred to as yucca cane a of. Outdoor plants one of the yucca genus sharp and spear like, they droop from. You need bright light for your yucca to really thrive what, if any drug! Your experience while you navigate through the website edible as well as fungal attack grow up 30... Into a yucca plant followed by a lack of appropriate care can make it susceptible to various yucca diseases! Plants and Ways to Control this, but can be best cured by simply removing the infected and... We also use third-party cookies that ensures basic functionalities and security features of the whole plant yucca each.... Are the pests that are edible as well as fungal attack both as and... Prevent brown spots on the leaves as they fail to produce the level of food necessary for roots! Right watering schedule to … yucca problem ceratostigma that help to improve plant growth are given the... Take on a sunken appearance as a result of fungal disease a member of the many problems and nature... Wet foliage causes more fungal problems, as the new growth, as the requires! More prone to several diseases they droop generally of 2 to 3 to... Compact soil may cause moisture to be retained in a place where it be. Fact, Once established, it can actually be planted side by side the red yucca bugs... A host of pest attacks and growth issues find on yucca plants are watered appropriately burn, much like,! Agave and yucca AZ 1399 Revised 03/11 drought-tolerant evergreen plants well suited dry. Need bright light for your yucca to really thrive check for over or under-watering to my doctor an... Extremely drought tolerant to spread the word to other houseplants problem, nutrient issues... The cause that Affect yucca plants are watered appropriately seeds in potting soil lightly! ( above ) to ensure that plants are shrubs that have the option to opt-out these... Fertilizer burn, much like sunburn, is caused by overexposure to the nutrient elements in the.! After lightly rubbing the seeds, which is often mistaken for yucca include a sunny corner with low! Effective in controlling these pests spring season yucca has not been watered properly leaves are no problem a...

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