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The Whitethorn Acacia (Constricta) is generally described as a perennial tree or shrub. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The Whitethorn Acacia (Constricta) has green foliage and inconspicuous yellow flowers, with an abuncance of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the mid spring, with fruit and seed production starting in the summer and continuing until fall. Leaves are not retained year to year. The Whitethorn Acacia (Constricta) has a moderate life span relative to most other plant species and a slow growth rate. At maturity, the typical Whitethorn Acacia (Constricta) will reach up to 6 feet high, with a maximum height at 20 years of 6 feet.
The Whitethorn Acacia (Constricta) 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 -13°F. has high tolerance to drought and restricted water conditions.
| Category | |
|---|---|
| Growth Rate | Slow |
| General Type | Tree, Shrub |
| Growth Period | Spring, Summer |
| Growth Duration | Perennial |
| Lifespan | Moderate |
| Plant Nativity | Native to U.S. |
| Commercial Availability | Field Collections Only |
| Bloom Period | Mid Spring |
|---|---|
| Displays Fall Colors | No |
| Shape/Growth Form | Multiple Stem |
| Drought Tolerance | High |
| Shade Tolerance | Intolerant |
| Height When Mature | 6 |
| Vegetative Spread | None |
| Flower Color | Yellow |
| Flower Conspicuousness | Yes |
| Fruit/Seed Abundance | High |
| Fruit/Seed Seasonality | Summer Fall |
| Seed Spread Rate | Moderate |
| Propagations (Ways to Grow) | Bare Root, Container, Seed |
|---|---|
| Moisture Requirements | Low |
| Cold Stratification Required | No |
| Minimum Temperature | -13 |
| Soil Depth for Roots | 12 |
| Toxic to Nearby Plants | No |
| Toxic to Livestock | No |
| After-Harvest Resprout Ability | No |
| Responds to Coppicing | No |
| pH Range | 7–8.5 pH |
|---|---|
| Precipitation Range | 4–4 inches/yr |
| Planting Density | 300–700 indiv./acre |
| Soil Textures | Coarse, Medium |
| Soil Depth for Roots | 12 |
| Minimum Frost-Free Days | 250 day(s) |
| Salinity Tolerance | None |
| CaCO3 Tolerance | High |
| 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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