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The Green Hawthorn (Viridis) 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 Green Hawthorn (Viridis) has yellow-green foliage and inconspicuous white flowers, with a moderate amount of conspicuous red fruits or seeds. The greatest bloom is usually observed in the early spring, with fruit and seed production starting in the spring and continuing until fall. Leaves are not retained year to year. The Green Hawthorn (Viridis) has a long life span relative to most other plant species and a moderate growth rate. At maturity, the typical Green Hawthorn (Viridis) will reach up to 30 feet high, with a maximum height at 20 years of 24 feet.
The Green Hawthorn (Viridis) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, seed. It has a slow 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 -24°F. has low tolerance to drought and restricted water conditions.
| Category | |
|---|---|
| Growth Rate | Moderate |
| General Type | Tree, Shrub |
| Growth Period | Spring, Summer |
| Growth Duration | Perennial |
| Lifespan | Long |
| Plant Nativity | Native to U.S. |
| Commercial Availability | Routinely Available |
| Bloom Period | Early Spring |
|---|---|
| Displays Fall Colors | Yes |
| Shape/Growth Form | Multiple Stem |
| Drought Tolerance | Low |
| Shade Tolerance | Intolerant |
| Height When Mature | 30 |
| Vegetative Spread | None |
| Flower Color | White |
| Flower Conspicuousness | Yes |
| Fruit/Seed Abundance | Medium |
| Fruit/Seed Seasonality | Spring Fall |
| Seed Spread Rate | Slow |
| Propagations (Ways to Grow) | Bare Root, Container, Seed |
|---|---|
| Moisture Requirements | High |
| Cold Stratification Required | Yes |
| Minimum Temperature | -24 |
| Soil Depth for Roots | 18 |
| Toxic to Nearby Plants | No |
| Toxic to Livestock | No |
| After-Harvest Resprout Ability | Yes |
| Responds to Coppicing | Yes |
| pH Range | 4.3–7.3 pH |
|---|---|
| Precipitation Range | 36–36 inches/yr |
| Planting Density | 300–700 indiv./acre |
| Soil Textures | Fine, Medium |
| Soil Depth for Roots | 18 |
| Minimum Frost-Free Days | 180 day(s) |
| Salinity Tolerance | None |
| CaCO3 Tolerance | Medium |
| Leaf Retention | No |
|---|---|
| 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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