Arisaema nepenthoides
A tuberous perennial, to about 90cm, with dark green, five- or seven- fingered leaves on yellow-green stems splashed with black. The flowers appear before the leaves, and consist of a streaky stem and pale green spathe up to 20cm long with black and white stripes. A dense cone of red berries follows
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Size
Ultimate height
0.5–1 metresTime to ultimate height
5–10 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Black Green | Black Green White | Green | |
|---|---|---|---|---|
| Summer | Black Green | Green | Red | |
| Autumn | ||||
| Winter |
Position
- Partial shade
Aspect
North–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Araceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Potentially harmful
- Humans/Pets: Harmful if eaten, skin/eye irritant. Wear gloves and other protective equipment when handling For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Arisaema are mostly tuberous perennials usually with palmately lobed leaves, and distinctive tubular, hooded spathes within which the tiny true flowers are clustered at the base of the club-like or filamentous spadix, followed by a spike of red berries
- Name status
Correct
- Plant range
- Himalaya, W China
How to grow
Cultivation
Grow in moist but well-drained, humus-rich soil in a cool site. In colder regions may need winter protection but tubers must not dry out when dormant
Propagation
Propagate by seed sown in containers in a cold frame in autumn or spring. Offsets may be removed in late summer
Suggested planting locations and garden types
- Cottage and informal garden
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
May be susceptible to slugs and vine weevil
Diseases
Generally disease-free
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