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The Canadian Plum (Nigra) is generally described as a perennial tree. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The Canadian Plum (Nigra) has dark green foliage and inconspicuous white flowers, with a smattering of conspicuous red fruits or seeds. The greatest bloom is usually observed in the spring, with fruit and seed production starting in the spring and continuing until summer. Leaves are not retained year to year. The Canadian Plum (Nigra) has a short life span relative to most other plant species and a slow growth rate. At maturity, the typical Canadian Plum (Nigra) will reach up to 25 feet high, with a maximum height at 20 years of 38 feet.
The Canadian Plum (Nigra) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by cuttings, 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 -50°F. has low tolerance to drought and restricted water conditions.
| Category | |
|---|---|
| Growth Rate | Slow |
| General Type | Tree |
| Growth Period | Spring, Summer |
| Growth Duration | Perennial |
| Lifespan | Short |
| Plant Nativity | Native to U.S. |
| Commercial Availability | Routinely Available |
| Bloom Period | Spring |
|---|---|
| Displays Fall Colors | No |
| Shape/Growth Form | Thicket Forming |
| Drought Tolerance | Low |
| Shade Tolerance | Intolerant |
| Height When Mature | 25 |
| Vegetative Spread | Moderate |
| Flower Color | White |
| Flower Conspicuousness | Yes |
| Fruit/Seed Abundance | Low |
| Fruit/Seed Seasonality | Spring Summer |
| Seed Spread Rate | Moderate |
| Propagations (Ways to Grow) | Cuttings, Seed |
|---|---|
| Moisture Requirements | Low |
| Cold Stratification Required | Yes |
| Minimum Temperature | -50 |
| Soil Depth for Roots | 24 |
| Toxic to Nearby Plants | No |
| Toxic to Livestock | No |
| After-Harvest Regrowth Rate | None |
| After-Harvest Resprout Ability | Yes |
| Responds to Coppicing | Yes |
| pH Range | 4–9 pH |
|---|---|
| Precipitation Range | 33–33 inches/yr |
| Planting Density | 600–3630 indiv./acre |
| Soil Textures | Coarse, Medium |
| Soil Depth for Roots | 24 |
| Minimum Frost-Free Days | 167 day(s) |
| Salinity Tolerance | None |
| CaCO3 Tolerance | Medium |
| Leaf Retention | No |
|---|---|
| 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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