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The Elephant Grass (Purpureum) is generally described as a perennial graminoid. This is not native to the U.S. (United States) and has its most active growth period in the summer and fall . The greatest bloom is usually observed in the mid summer, with fruit and seed production starting in the summer and continuing until fall. Leaves are not retained year to year. The Elephant Grass (Purpureum) has a long life span relative to most other plant species and a rapid growth rate. At maturity, the typical Elephant Grass (Purpureum) will reach up to 10 feet high, with a maximum height at 20 years of 0 inches.
The Elephant Grass (Purpureum) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by cuttings, seed, sprigs. It has a none ability to spread through seed production and the seedlings have low vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below 17°F. has high tolerance to drought and restricted water conditions.
| Category | |
|---|---|
| Growth Rate | Rapid |
| General Type | Graminoid |
| Growth Period | Summer, Fall |
| Growth Duration | Perennial |
| Lifespan | Long |
| Plant Nativity | Introduced to U.S. |
| Commercial Availability | Routinely Available |
| Bloom Period | Mid Summer |
|---|---|
| Displays Fall Colors | No |
| Shape/Growth Form | Rhizomatous |
| Drought Tolerance | High |
| Shade Tolerance | Intolerant |
| Height When Mature | 10 |
| Vegetative Spread | Slow |
| Flower Color | Yellow |
| Flower Conspicuousness | No |
| Fruit/Seed Abundance | Low |
| Fruit/Seed Seasonality | Summer Fall |
| Seed Spread Rate | None |
| Propagations (Ways to Grow) | Cuttings, Seed, Sprigs |
|---|---|
| Moisture Requirements | Medium |
| Cold Stratification Required | No |
| Minimum Temperature | 17 |
| Soil Depth for Roots | 14 |
| Toxic to Nearby Plants | No |
| Toxic to Livestock | No |
| After-Harvest Regrowth Rate | Moderate |
| After-Harvest Resprout Ability | No |
| Responds to Coppicing | No |
| pH Range | 5.2–6.8 pH |
|---|---|
| Precipitation Range | 36–36 inches/yr |
| Planting Density | 1700–4800 indiv./acre |
| Soil Textures | Coarse, Fine, Medium |
| Soil Depth for Roots | 14 |
| Minimum Frost-Free Days | 365 day(s) |
| Salinity Tolerance | None |
| CaCO3 Tolerance | None |
| Leaf Retention | No |
|---|---|
| Palatability | Medium |
| 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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