Arisaema speciosum var. magnificum
A herbaceous perennial growing to about 80cm in the summer months. It has one, occasionally two green leaves with 3 hanging leaflets with deep red margins. In May-June, a large, deep red, stripy spathe with a darker spadix develops, with an extraordinary long thin appendage 'wandering' further for up to a meter in length
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Red Green | |||
|---|---|---|---|---|
| Summer | Red White | Red Green | ||
| Autumn | ||||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Araceae
- Native to GB / Ireland
- 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
Unresolved
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
- City and courtyard gardens
- Patio and container plants
- Sub-tropical
- Conservatory and greenhouse
Pruning
No pruning required
Pests
May be susceptible to slugs and vine weevil
Diseases
Generally disease-free
Get involved
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