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The Soapweed Yucca (Glauca) is generally described as a perennial subshrub or shrub or forb/herb. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The Soapweed Yucca (Glauca) has green foliage and inconspicuous white flowers, with an abuncance of conspicuous black fruits or seeds. The greatest bloom is usually observed in the late spring, with fruit and seed production starting in the summer and continuing until summer. Leaves are retained year to year. The Soapweed Yucca (Glauca) has a short life span relative to most other plant species and a moderate growth rate. At maturity, the typical Soapweed Yucca (Glauca) will reach up to 1 foot high, with a maximum height at 20 years of 1 foot.
The Soapweed Yucca (Glauca) generally appears in field collections and doesn't tend to be commercially available. It can be propagated by bare root, container, seed. It has a moderate ability to spread through seed production and the seedlings have high vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -28°F. has high tolerance to drought and restricted water conditions.
| Category | |
|---|---|
| Growth Rate | Moderate |
| General Type | Subshrub, Shrub, Forb/herb |
| Growth Period | Spring, Summer |
| Growth Duration | Perennial |
| Lifespan | Short |
| Plant Nativity | Native to U.S. |
| Commercial Availability | Field Collections Only |
| Bloom Period | Late Spring |
|---|---|
| Displays Fall Colors | Yes |
| Shape/Growth Form | Rhizomatous |
| Drought Tolerance | High |
| Shade Tolerance | Intolerant |
| Height When Mature | 1 |
| Vegetative Spread | Slow |
| Flower Color | White |
| Flower Conspicuousness | Yes |
| Fruit/Seed Abundance | High |
| Fruit/Seed Seasonality | Summer Summer |
| Seed Spread Rate | Moderate |
| Propagations (Ways to Grow) | Bare Root, Container, Seed |
|---|---|
| Moisture Requirements | Low |
| Cold Stratification Required | No |
| Minimum Temperature | -28 |
| Soil Depth for Roots | 6 |
| Toxic to Nearby Plants | No |
| Toxic to Livestock | No |
| After-Harvest Regrowth Rate | Slow |
| After-Harvest Resprout Ability | No |
| Responds to Coppicing | No |
| pH Range | 7–8.5 pH |
|---|---|
| Precipitation Range | 7–7 inches/yr |
| Planting Density | 10–2700 indiv./acre |
| Soil Textures | Coarse, Medium |
| Soil Depth for Roots | 6 |
| Minimum Frost-Free Days | 140 day(s) |
| Salinity Tolerance | None |
| CaCO3 Tolerance | High |
| Leaf Retention | Yes |
|---|---|
| Palatability | Low |
| Fire Resistant | No |
| Causes Livestock Bloating | None |
Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA
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