Treat spotted mite-infected yuccas by washing the webs from their leaves with a damp rag every three to five days. Yucca Plant Diseases and Other Growth-Related Problems. Yucca aloifolia is also known as Spanish bayonet, and as its name implies this Yucca has very sharp leaves. Grasp a dead leaf with a gloved hand, and pull the leaf gently. Water – A common cause of yellow yucca leaves is too much water. Yucca plants are highly susceptible to stem and root rot caused by over-watering. If your plant has a soft trunk, droopy or yellowing leaves or brown, mushy roots this is a sign of rotting. Yucca. Have you been feeding the plant during the spring & summer? For major spotted mite infestations, apply an acaracide pesticide, following all of the pesticide package's safety and application instructions. Yellow Yucca. The water floods the leaves, causing them to swell and droop, eventually turning brown or yellow. The showy, flower stalks grow three to six feet tall and last for a long time. Check the moisture in the soil surrounding each yucca plant that has yellow leaves. Water – A common cause of yellow yucca leaves is too much water. 3489. In fact, once established, it doesn’t need any more help from you. The Yucca ‘Color Guard’ is a spectacular type of Yucca filamentosa. Leaf Spot Diseases of Yucca Both fungal and viral diseases may produce spots on yucca leaves. In the early stages of overwatering, simply cutting back on watering and letting the plant and soil dry out is sufficient. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Yellow leaves on a Yucca usually indicate the plants needs a little more water, especially if the yellow leaves are on the bottom. If you water the plant regularly or plant it in soil that doesn’t drain freely, the roots begin to rot. If surrounding plants grow enough to begin shading the yucca, cut the surrounding plants back or move the yucca to a better location. Stop watering. Rich compost or a potting mix that retains too much moisture around the roots of the yucca. This article tells you how to save a yellowing yucca. Attempts at pampering this sturdy plant may result in a yucca plant leaves turning yellow. In most cases, you can simply pull the yellowed leaves off with a gentle tug. Remove badly infected foliage or treat severe infestations with a fungicide. Once they die I have been pulling them out. This variety is grown for its decorative yellow-green striped foliage. When it comes to the palm leaf or the yukka palm - care, cutting, yellow leaves and other related questions, you will find here many tips and information. However, it also features the beautiful white inflorescence many gardeners know Yucca for! We Released The Yucca HandBook CLICK HERE TO LEARN MORE >> Wiping down the leaves with a damp cloth every two or three days removes the mites, or you can try putting them in the shower under a gentle spray for a few minutes. Promptly diagnosing the cause and managing it helps to bring yellowing yuccas back to good health. Yucca plants need direct, full sunlight throughout the day to remain healthy and produce strong, dark green leaves. Over time, indoor Yucca leaves will become softer and more arching and less spiky. I would suggest that you carefully check if the soil is moist before you water, and not just at the surface, perhaps stick your finger in a bit and see how wet the soil is further down. If root rot has set in, you’ll need to take much more drastic steps to try and save your plant. The spring blooms attract hummingbirds and last until fall as they tower above the thick, sword-shaped, gray-green, succulent foliage. Excess watering can lead to yellow leaves with brown tips, dead leaves, and root rot. The direct sunlight coming through other windows isn’t as intense and doesn’t last long enough. Yuccas planted in ground outdoors rarely require supplemental water, and potted yuccas need water only when their soil is almost completely dry. Brown spots on leaves. Yucca filamentosa is a softer leaved species, also known as Adam’s needle. Yucca plants (Yucca spp.) Yellow Yucca Leaves: Why Is My Yucca Plant Yellow - Whether you grow it indoors or out, one plant that thrives in the face of neglect is the yucca plant. Yellow yucca leaves can also be caused by a lack of direct sunlight. Yucca aloifolia: Tender. There are also finer variegation over the green central part of the sword like leaves. require very little care to thrive and are resistant to many problems. If your spineless yucca’s leaves start yellowing, it could be due to water or light issues. Trim off the dead foliage after the weather warms and the plant begins new growth. 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. Attempts at pampering this sturdy plant may result in a yucca plant leaves turning yellow. There can be a number of reasons why the leaves of a yucca plant turn yellow, and it can often be a matter of trial and error to determine the exact cause. The scientific name is Yucca elephantipes, and they have sharp, spear-shaped projections, which radiate from the central stalk. Yucca canes can be grown quite successfully if they are kept close to and right in front of a sunny window and not over watered. Transplant the yuccas to a site where the soil drains better if their current location's soil drains poorly or... 3. below the surface before watering the pot. Wet, soggy soil can cause root rot, which results in dying, yellow leaves. Lack of light, too much intense light and over-watering are all common reasons why your Yucca will turn Yellow just like it will start to turn brown. The most common cause of yellowing leaves among Yucca Canes is overwatering–they don’t need much water to survive. Well, if the roots did not suffer, then more chances to revive the yucca. The result is that roots start to rot, and the leaves turn yellow. Water – A common cause of yellow yucca leaves is too much water. Simple or sparsely branched stem with terminal rosette of sharp-pointed leaves, bell-shaped white or purple-tinged flowers held above the foliage. Begin the transplanting process by digging around a yucca plant's roots carefully and lifting the entire plant from the site. Waterlogged soil or dense potting mix result in too much moisture. Gray or brown spots on yucca leaves If necessary, use a sharp knife to remove the discolored leaves. 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. You’ll also notice that the foliage grows in a rosette form and has the distinctive curly threads in the leaves that become pink and rose-colored in the winter. A different look for sure, but still healthy.But definitely not a good choice for reduced indoor light. Indirect sunlight causes the yucca to become listless and weak; leaves will become yellow or brown as they are unable to take in sunlight and continue growing. Extreme conditions are no problem for a yucca plant. This is actually a desperate attempt to take advantage of the little sunlight it receives, and the leaves soon begin to yellow when the food production can’t keep up with the plant’s needs. Hesperaloe parviflora 'Yellow' SKU. 0. The yucca most commonly available as an indoor plant in New Zealand is the Yucca Elephantipes. When you keep yuccas indoors, the best way to keep moisture to a minimum is to keep them in small pots. An attractive yellow flowering variety is also available. Yucca elephantipes factsheet. If the leaf doesn't pull off easily, trim it close to the main stalk or plant base with a sharp knife. When the leaves are no longer in the direct light, you might not spot this color change, however. Is the plant getting new leaves at the top? 1 Review Add Your Review. Yellowing leaves might indicate that you are trying too hard. Although yucca is a sturdy plant and requires little care, it is not an exception and is prone to several diseases and pests like any other plant. Wet, soggy soil can cause root... 2. Spores from these fungi are spread in water splatters to the leaves, which is why overhead watering is not recommended. Produces tall wands of bright yellow, waxy inch long trumpet flowers reaching five feet. To cure her, you need to figure out whether you are properly caring for yucca, and then treat it. Providing proper soil moisture (or lack of moisture) is important in caring for a Yucca Cane. Most yellow foliage on yuccas is caused by improper cultural care, although some diseases and pests can cause the yellowing. Plant the yucca in a slightly sandy, well-drained area at the same depth it was planted previously. Reduce watering the yuccas if their soil feels wet. After flowering, woody tan-brown seedpods appear. It's natural for some yucca leaves to yellow, but severe yellowing may indicate a problem. Yuccas may trick you into thinking you have found the perfect indoor location by turning dark green. A variegated Yucca with more distinct variegation than Y. gloriosa variegata with brighter and more of a yellow colour to the edges. If you water the plant regularly or plant it in soil that doesn’t drain freely, the roots begin to rot. Recently I noticed that some of the bottom leaves on the tallest root have been drying out. If your yucca is overwatered, you might notice that it has generally yellow leaves, root rot, or a trunk that feels spongy. Problems and Pests of Agave, Aloe, Cactus and Yucca; University of Arizona Cooperative Extension, Fine Gardening: Plant Guide -- Genus Yucca. Transplant the yuccas to a site where the soil drains better if their current location's soil drains poorly or collects water during rainfalls. In most of the cases, a Yucca plant turning yellow can be caused by the same things that turn the leaves brown. In fact, once established, it doesn’t need any more help from you. Whether you grow it indoors or out, one plant that thrives in the face of neglect is the yucca plant. The problems that can occur are yellow leaves on yucca, brown spots on the leaves, lesions, gray leaf spot, stem rot. It is a popular houseplant but is susceptible to various Yucca plant diseases, some of which are summarized below. This is followed by a yellowing of the leaves as they fail to produce the level of food necessary for the roots. If you water the plant regularly or plant it in soil that doesn't drain freely, the roots begin to rot. If you want to mulch for a neater appearance, use gravel or stones. Problems associated with Inadequate Care. Her published articles have appeared in various print and online publications. Some fungi can cause yellow spots of yuccas, but those issues typically solve themselves if you avoid overwatering the plants. The yellow and green variegated leaves identify this variety of yucca. Age – The lower leaves on a yucca plant yellow naturally as they age. Care of the garden Lifestyle Plants Other Garden Practice Landscaping. Light – Another reason for yellow leaves on yucca plants is poor sunlight. Harrington's specialties include small business information, crafting, decorating and gardening. The problems that can occur are yellow... 07/22/14 – 16:01. Yucca plants thrive in dry conditions. Remove dead yellow foliage at its base. Inspect the underside of the yucca leaves for webs, which are left by spotted mite pests. How to Care for Yellow Leaves on Yucca Plants 1. Check the moisture in the soil surrounding each yucca plant that has yellow leaves. Yuccas grow well indoors and can often extend themselves above the natural light coming through a window. Plant yuccas where they can experience the direct rays of the sun all day. Yucca leaves turn yellow as a sign of stress due to over watering and too much moisture around the roots of your yucca. They have been curling and turning yellow/brown. The yellowing is caused by the plant trying to re… Most yuccas grow well in U.S. Department of Agriculture Plant Hardiness Zones 10 and below. 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