Arisaema ringens (Cobra Jack)
Botanical Information
Family | Araceae |
Genus | Arisaema |
Species | ringens |
Category | Bulbs, Perennials |
Origin | Japan, Korea and China. |
Details
USDA Hardiness Zone | 6 - 9 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 5a |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H3 - H7 |
RHS Hardiness Ref. | |
Temperature (°C) | -23 -(-1) |
Temperature (°F) | -10 - 30 |
Height | 30 cm |
Spread | 20 cm |
Growth | Fast |
Flowering Period | April, May, June, July |
Description and Growing Information
Propagation | By seed or offset. |
Cultivation | Grows in humus-rich, moist, well-drained soil in partial to full shade. Caution should be used around the planting site in early spring as the plant is late to appear. |
Pests | No serious insect or disease problems. |
Leaf Description | Produces two glossy leaves with three elliptic leaflets growing on a single stalk from each tuber. |