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The Japanese Honeysuckle (Japonica) is generally described as a perennial vine. This is not native to the U.S. (United States) and has its most active growth period in the spring and summer . The Japanese Honeysuckle (Japonica) has green foliage and inconspicuous white flowers, with a smattering of conspicuous black fruits or seeds. The greatest bloom is usually observed in the late spring, with fruit and seed production starting in the spring and continuing until summer. Leaves are not retained year to year. The Japanese Honeysuckle (Japonica) has a short life span relative to most other plant species and a rapid growth rate. At maturity, the typical Japanese Honeysuckle (Japonica) will reach up to 1 foot high, with a maximum height at 20 years of 1 foot.
The Japanese Honeysuckle (Japonica) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, cuttings, seed, sprigs. 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 medium tolerance to drought and restricted water conditions.
| Category | |
|---|---|
| Growth Rate | Rapid |
| General Type | Vine |
| Growth Period | Spring, Summer |
| Growth Duration | Perennial |
| Lifespan | Short |
| Plant Nativity | Introduced to U.S. |
| Commercial Availability | Routinely Available |
| Bloom Period | Late Spring |
|---|---|
| Displays Fall Colors | No |
| Shape/Growth Form | Stoloniferous |
| Drought Tolerance | Medium |
| Shade Tolerance | Tolerant |
| Height When Mature | 1 |
| Vegetative Spread | Rapid |
| Flower Color | White |
| Flower Conspicuousness | Yes |
| Fruit/Seed Abundance | Low |
| Fruit/Seed Seasonality | Spring Summer |
| Seed Spread Rate | Slow |
| Propagations (Ways to Grow) | Bare Root, Container, Cuttings, Seed, Sprigs |
|---|---|
| Moisture Requirements | Medium |
| Cold Stratification Required | Yes |
| Minimum Temperature | -13 |
| Soil Depth for Roots | 10 |
| Toxic to Nearby Plants | No |
| Toxic to Livestock | No |
| After-Harvest Resprout Ability | Yes |
| Responds to Coppicing | No |
| pH Range | 4.9–7.8 pH |
|---|---|
| Precipitation Range | 24–24 inches/yr |
| Planting Density | 4800–11000 indiv./acre |
| Soil Textures | Fine, Medium |
| Soil Depth for Roots | 10 |
| Minimum Frost-Free Days | 130 day(s) |
| Salinity Tolerance | Low |
| CaCO3 Tolerance | Low |
| Leaf Retention | No |
|---|---|
| Palatability | Medium |
| 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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