Astrantia major (Great Masterwort)
Botanical Information
| Family | Apiaceae |
| Genus | Astrantia |
| Species | major |
| Category | Perennials |
| Origin | Eastern Europe and western Asia. |
| Pronunciation |
Details
| USDA Hardiness Zone | 6b - 7a |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 6a - 6b |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H6 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -21 - (-18) |
| Temperature (°F) | -5 - 5 |
| Height | 90 cm |
| Spread | 45 cm |
| Flowering Period | June, July, August, September |
Description and Growing Information
| Notable Specimens | Niagara Parks Botanical Gardens, Niagara Falls, Ontario, Canada. |
| Habitat | Mountain meadows and grasslands, close to streams of eastern Europe and western Asia. |
| Leaf Description | The basal leaves have a long petiole 10 – 20 cm, 3 to 7 lobes and toothed segments. Size: 8 – 15 cm. The cauline leaves are generally two, sessile, amplexicaul and lanceolate-shaped with a trilobed apex. |
| Flower Description | The small flowers are greenish-white with reddish shades. The cental ones are hermaphrodite, while the external ones are male. The petals are five, white (or slightly reddened), while the stamens are five and much longer. Size of the flowers: about 1 mm. |
Photographs
Astrantia major 'Hadspen Blood'
Astrantia major subsp. involucrata 'Shaggy', at the RHS Garden Rosemoor in North Devon, England.
Astrantia major 'Red Wedding'