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The Richardson's Willow (Richardsonii) is generally described as a perennial shrub or tree. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The Richardson's Willow (Richardsonii) has green foliage and inconspicuous white flowers, with an abuncance of conspicuous green fruits or seeds. The greatest bloom is usually observed in the early summer, with fruit and seed production starting in the summer and continuing until summer. Leaves are not retained year to year. The Richardson's Willow (Richardsonii) has a short life span relative to most other plant species and a slow growth rate. At maturity, the typical Richardson's Willow (Richardsonii) will reach up to 15 feet high, with a maximum height at 20 years of 22 feet.
The Richardson's Willow (Richardsonii) is not commonly available from nurseries, garden stores and other plant dealers and distributors. It can be propagated by container, cuttings, seed, sprigs. It has a rapid 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 -38°F. has medium tolerance to drought and restricted water conditions.
| Category | |
|---|---|
| Growth Rate | Slow |
| General Type | Shrub, Tree |
| Growth Period | Spring, Summer |
| Growth Duration | Perennial |
| Lifespan | Short |
| Plant Nativity | Native to U.S. |
| Commercial Availability | No Known Source |
| Bloom Period | Early Summer |
|---|---|
| Displays Fall Colors | No |
| Shape/Growth Form | Thicket Forming |
| Drought Tolerance | Medium |
| Shade Tolerance | Intolerant |
| Height When Mature | 15 |
| Vegetative Spread | Slow |
| Flower Color | White |
| Flower Conspicuousness | Yes |
| Fruit/Seed Abundance | High |
| Fruit/Seed Seasonality | Summer Summer |
| Seed Spread Rate | Rapid |
| Propagations (Ways to Grow) | Container, Cuttings, Seed, Sprigs |
|---|---|
| Moisture Requirements | Low |
| Cold Stratification Required | Yes |
| Minimum Temperature | -38 |
| Soil Depth for Roots | 17 |
| Toxic to Nearby Plants | No |
| Toxic to Livestock | No |
| After-Harvest Regrowth Rate | Moderate |
| After-Harvest Resprout Ability | Yes |
| Responds to Coppicing | Yes |
| pH Range | 2.1–7.3 pH |
|---|---|
| Precipitation Range | 31–31 inches/yr |
| Planting Density | 320–1600 indiv./acre |
| Soil Textures | Coarse, Medium |
| Soil Depth for Roots | 17 |
| Minimum Frost-Free Days | 88 day(s) |
| Salinity Tolerance | None |
| CaCO3 Tolerance | Medium |
| Leaf Retention | No |
|---|---|
| Palatability | Low |
| Fire Resistant | Yes |
| 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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