Overview

Arisaema consanguineum is a columnar upright bulbs in the genus Arisaema, part of the Araceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Arisaema consanguineum grows best in partial shade, and tolerates most soils and acid and neutral pH. Its UK hardiness is rated H3. Suggested uses include architectural, city and courtyard gardens and cottage and informal garden. It is native to Himalaya to SE Asia.

About

Arisaema consanguineum is a robust perennial that features a singular, umbrella-like leaf composed of 11 to 20 leaflets, each measuring over 20 cm long, supported by a stem that can reach up to one meter in height. During the summer months, it showcases a dark purple-brown spathe, which is hooded and adorned with delicate green and white stripes.

About the genus

Arisaema consists primarily of tuberous perennials characterized by palmately lobed foliage. They feature unique tubular, hooded spathes that enclose small true flowers clustered at the base of a club-shaped or filamentous spadix. After flowering, these plants produce a spike bearing red berries.

Growing conditions

Best soil and position for Arisaema

Sunlight
Partial shade
Soil type
Clay, Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, North-facing, West-facing, East-facing
Exposure
Sheltered
UK hardiness
H3

Plant details

Arisaema consanguineum size, habit and characteristics

Plant type
Bulbs
Habit
Columnar upright
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
Architectural, City and courtyard gardens, Cottage and informal garden
Native to
Himalaya to SE Asia
Toxicity
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

Care notes

Pruning and caring for Arisaema consanguineum

Cultivation
Grow in moist but well-drained, humus-rich soil in a cool site. Tubers must not dry out when dormant, and may need winter protection in colder areas
Pruning
No pruning required
Propagation
Propagate by seed, sowing them in containers in a cold frame in autumn or spring, or remove offsets in late summer
Pest resistance
May be susceptible to slugs and vine weevil
Disease resistance
Generally disease-free

Frequently asked questions

How do I grow Arisaema consanguineum?

Grow in moist but well-drained, humus-rich soil in a cool site. Tubers must not dry out when dormant, and may need winter protection in colder areas.

Where is the best place to plant Arisaema consanguineum?

Arisaema consanguineum prefers partial shade. It suits sheltered positions.

What soil does Arisaema consanguineum need?

Arisaema consanguineum is adaptable and grows happily in most soil types, including clay, loam and sand. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.

How do I prune Arisaema consanguineum?

No pruning required.

How big does Arisaema consanguineum grow?

Arisaema consanguineum reaches a height of 0.5-1 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.

Is Arisaema consanguineum hardy in the UK?

Arisaema consanguineum has a UK hardiness rating of H3.

How do I propagate Arisaema consanguineum?

Propagate by seed, sowing them in containers in a cold frame in autumn or spring, or remove offsets in late summer.

Is Arisaema consanguineum toxic?

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.