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The Blackjack Oak (Marilandica) 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 greatest bloom is usually observed in the mid spring, with fruit and seed production starting in the fall and continuing until fall. Leaves are not retained year to year. The Blackjack Oak (Marilandica) has a long life span relative to most other plant species and a slow growth rate. At maturity, the typical Blackjack Oak (Marilandica) will reach up to 25 feet high, with a maximum height at 20 years of 20 feet.
The Blackjack Oak (Marilandica) 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 medium 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 | Long |
| Plant Nativity | Native to U.S. |
| Commercial Availability | Routinely Available |
| Bloom Period | Mid Spring |
|---|---|
| Displays Fall Colors | Yes |
| Shape/Growth Form | Single Stem |
| Drought Tolerance | High |
| Shade Tolerance | Intolerant |
| Height When Mature | 25 |
| Vegetative Spread | None |
| Flower Color | Yellow |
| Flower Conspicuousness | No |
| Fruit/Seed Abundance | Medium |
| Fruit/Seed Seasonality | Fall Fall |
| Seed Spread Rate | Slow |
| Propagations (Ways to Grow) | Bare Root, Container, Seed |
|---|---|
| Moisture Requirements | Low |
| Cold Stratification Required | Yes |
| Minimum Temperature | -13 |
| Soil Depth for Roots | 24 |
| Toxic to Nearby Plants | No |
| Toxic to Livestock | No |
| After-Harvest Resprout Ability | Yes |
| Responds to Coppicing | No |
| pH Range | 4.6–5.6 pH |
|---|---|
| Precipitation Range | 17–17 inches/yr |
| Planting Density | 300–700 indiv./acre |
| Soil Textures | Coarse, Medium |
| Soil Depth for Roots | 24 |
| Minimum Frost-Free Days | 185 day(s) |
| Salinity Tolerance | Low |
| CaCO3 Tolerance | Low |
| 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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