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The Purple Bushbean (Atropurpureum) is generally described as a perennial vine or forb/herb. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The Purple Bushbean (Atropurpureum) has dark green foliage and inconspicuous purple flowers, with a smattering of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the indeterminate, with fruit and seed production starting in the year round and continuing until year round. Leaves are retained year to year. The Purple Bushbean (Atropurpureum) has a short life span relative to most other plant species and a rapid growth rate. At maturity, the typical Purple Bushbean (Atropurpureum) will reach up to 4 feet high, with a maximum height at 20 years of 0 inches.
The Purple Bushbean (Atropurpureum) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by container, cuttings. 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 23°F. has medium tolerance to drought and restricted water conditions.
| Category | |
|---|---|
| Growth Rate | Rapid |
| General Type | Vine, Forb/herb |
| Growth Period | Spring, Summer |
| Growth Duration | Perennial |
| Lifespan | Short |
| Plant Nativity | Native to U.S. |
| Commercial Availability | Routinely Available |
| Bloom Period | Indeterminate |
|---|---|
| Displays Fall Colors | Yes |
| Shape/Growth Form | Thicket Forming |
| Drought Tolerance | Medium |
| Shade Tolerance | Intermediate |
| Height When Mature | 4 |
| Vegetative Spread | Slow |
| Flower Color | Purple |
| Flower Conspicuousness | Yes |
| Fruit/Seed Abundance | Low |
| Fruit/Seed Seasonality | Year Round Year Round |
| Seed Spread Rate | Moderate |
| Propagations (Ways to Grow) | Container, Cuttings |
|---|---|
| Moisture Requirements | Low |
| Cold Stratification Required | No |
| Minimum Temperature | 23 |
| Soil Depth for Roots | 24 |
| 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 | 5–8 pH |
|---|---|
| Precipitation Range | 15–15 inches/yr |
| Planting Density | 1200–1700 indiv./acre |
| Soil Textures | Coarse, Fine, Medium |
| Soil Depth for Roots | 24 |
| Minimum Frost-Free Days | 365 day(s) |
| Salinity Tolerance | Medium |
| CaCO3 Tolerance | Medium |
| Leaf Retention | Yes |
|---|---|
| Palatability | High |
| 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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