Cautleya gracilis (Hardy Ginger)
Botanical Information
| Family | Zingiberacaea |
| Genus | Cautleya |
| Species | gracilis |
| Synonyms | C. cathcartii, C. lutea |
| Category | Perennials, Tropicals |
| Origin | Southeast Asia. |
Details
| USDA Hardiness Zone | 7 - 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 7 b - 8 b |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H5 - H6 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (-15) - (-5) |
| Temperature (°F) | 5 - 23 |
| Height | 0.25 m - 0.75 m |
| Spread | 0.25 m - 0.75 m |
| Growth | Fast |
| Flowering Period | July, August, September |
Description and Growing Information
| General Description | Lance-shaped leaves interweave to form a pseudostem. Bright yellow blooms are accented with red streaks. |
| Shape | Upright and clump forming. |
| Landscape | Mixed borders and containers. |
| Propagation | Propagate by division or seed. |
| Cultivation | Grow in moist, humus soil in partial-shade. In cold environments plenty of mulch will help protect it from frosts and winter cold. |
| Notable Specimens | Lanhydrock Gardens, Cornwall, England. |
| Habitat | Forested valleys in foothills up to 1000 - 4000 m altitude. |
| Leaf Description | Lace-shaped leaves. |
| Flower Description | Bright yellow flowers with red streaks. |
Photographs
Cautleya-gracilis. Form, Lanhydrock Gardens, Cornwall, England.16/10/2019.
Cautleya-gracilis. Leaf, Lanhydrock Gardens, Cornwall, England.16/10/2019.
Cautleya-gracilis. Flower, Lanhydrock Gardens, Cornwall, England.16/10/2019.
Cautleya-gracilis. Form 2, Lanhydrock Gardens, Cornwall, England. 16/10/2019.
Cautleya-gracilis. Flower 2, Lanhydrock Gardens, Cornwall, England.16/10/2019.
Cautleya-gracilis. Flower 3, Lanhydrock Gardens, Cornwall, England.16/10/2019.
Cautleya-gracilis. Flower 4, Lanhydrock Gardens, Cornwall, England.16/10/2019.