Hypericum kouytchense (Large-Flowered St. John's Wort)
Botanical Information
| Family | Hypericaceae |
| Genus | Hypericum |
| Species | kouytchense |
| Category | Woody |
| Type | Shrub (deciduous) |
| Origin | Native to western China. |
Details
| USDA Hardiness Zone | 7b - 8a |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 7 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H5 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -15 - (-9) |
| Temperature (°F) | 5 - 15 |
| Height | 0.5 m -1 m |
| Spread | 1 - 1.5 m |
| Growth | Slow |
| Flowering Period | June, July, August, September |
Description and Growing Information
| General Description | Small semi-evergreen, perennial shrub. |
| ID Characteristic | Ovate leaves holding yellow flowers with long stamens. |
| Landscape | Ground cover and informal gardens. |
| Propagation | Semi-hardwood cuttings. |
| Cultivation | Best grown in moist well-drained soil in full sun. |
| Pests | No major issues. |
| Habitat | Easily grown in average, medium moisture, well-drained soils in full sun to part shade. |
Photographs
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