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Yucca - Glauca
About...
Soapweed Yucca (Yucca glauca) - A tropical plant and member of the agave family, it has stiff, grey-green evergreen leaves which form 2 foot or greater clumps. Usually in summer, 6 foot tall spikes topped with large white/pale green/pink flowers rise high above the leaves.MORE YUCCA OPTIONS
Planting Directions
TEMPERATURE
71F - 75F
AVERAGE GERM TIME
14 - 21 days
LIGHT REQUIRED
Yes
DEPTH
Lightly cover seed with quality soil
SOWING RATE
2 - 3 seeds per plant
MOISTURE
Keep seeds moist until germination
PLANT SPACING
8 feet
Soapweed Yucca (Yucca glauca) - A tropical plant and member of the agave family, it has stiff, grey-green evergreen leaves which form 2 foot or greater clumps. Usually in summer, 6 foot tall spikes topped with large white flowers rise high above the leaves. The flowers give way later in summer to woody, decorative seed pods that persist on the stems. It is a native to the southwestern US and grows best in dry rocky soil. Its natural habitat is dry rocky soils and often found in short grass prairies and desert grasslands. This variety of Yucca is among the most cold-hardy and landscape ready of the species. It is also very drought tolerant making it perfect for xeriscape landscaping.
A few other names for Yucca glauca are: Soapweed Yucca, Spanish Bayonet, Narrowleaf Yucca, Great Plains Yucca, Beargrass, Great Plains Yucca. An important plant for wildlife, it provides food and nesting for small mammals, birds, and reptiles. The flowers attract butterflies, but not deer or rabbits. It is a host plant for the Yucca Moth. This moth is the only insect that has success in pollinating the yucca flower and developing fruit and is the moths' only food source. Its roots are used to make soap. Crushed roots produce a lather that is great as a soap or shampoo; thus, the name Soapweed Yucca.
Dried leaves from this plant can be used to weave baskets, mats, and sandals. Rope is made from the extracted leaf fibers. Yucca can be propagated from seeds or stem cuttings, or rhizomes. In addition to putting on a showy display, the leaves have many practical uses. The leaves can be used to make paint brushes and brooms. After splitting the leaves, they can be used as a tying material. The needle-sharp points of the leaves have been used as needles.
Common Questions
My yucca leaves are yellowing, and the stems are spongy, what is wrong?
In most situations, yellowing leaves indicate that the plant is receiving too much water. The central stem may begin to soften, which is a clear indication of overwatering. Yuccas should only be watered once the soil is nearly completely dry. It's best to avoid a strict watering schedule; instead, use your finger to check the soil's dryness. To help your plants cease watering and enhance drainage by transferring the plant to a pot with additional drainage holes or by using well-draining soil. Improve air circulation around the plant and ensure that the humidity levels nearby are not excessively high.
My plants leaves are curling, what do I do?
If you observe that your yucca leaves are curling, it may be a sign that the temperature is either too high or too low for the plant. Yuccas thrive in a temperature range of 45°F to 90°F. When exposed to temperature stress, the leaves may develop red spots and start to drop. To remedy this issue, relocate the plant to an area with a more suitable temperature. You should see improvement within the next couple of days.
Can I grow in containers?
Yes, yucca can do well in a container. Yuccas thrive when they are slightly pot-bound, provided they do not become too heavy to topple their containers. You can expect to wait two to three years before needing to repot. Repotting larger yucca plants can be quite challenging, but you can rejuvenate them by simply removing the top 2 inches of soil from the container and adding fresh potting soil. During a standard repotting process, you can lift the yucca from its container and increase its size by one pot, always ensuring you use fresh potting soil.
