Perennials > Gentiana > Gentiana asclepiadea > Gentiana asclepiadea
Gentiana asclepiadea
Willow Gentian, Milkweed Gentian
| Family |
| Gentianaceae |
| Genus |
| Gentiana |
| Species |
| asclepiadea |
| Category |
| Perennials |
| USDA Hardiness Zone |
| 7b - 8a |
| Canadian Hardiness Zone |
| 7b |
| RHS Hardiness Zone |
| H5 (Observed growing well in H7) |
| Temperature (°C) |
| -15 to -10 |
| Temperature (°F) |
| 5 - 14 |
| Height |
| 0.5 - 1 m |
| Spread |
| 0.1 – 0.5 m |
Photographs
Cultivars
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Awards
Description and Growing Information
Flowering Period
| General Description |
| Gentiana asclepiadea is a herbaceous perennial with arching stems, lance-shaped leaves and dark blue trumpet flowers. |
| Cultivation |
| Grow in shade, in moist but well-drained, humusy soil. Avoid chalky soils. Will tolerate more sun in cool, damp summer climates. |
| Growth |
| Medium |
| Pests |
| No serious pests or diseases of note. |
| Notable Specimens |
| Montreal Botanic Garden, Montreal, Quebec, Canada. Lanhydrock Gardens, Cornwall, England. |
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