Overview
Arum elongatum is a clump forming herbaceous perennial in the genus Arum, part of the Araceae family, with deciduous foliage. Arum elongatum grows best in full sun, and tolerates loam soils and any pH. Its UK hardiness is rated H1c. Suggested uses include houseplants, patio and container plants, sub-tropical, bedding, conservatory and greenhouse and cut flowers.
About
Arum elongatum is a clump-forming perennial cultivar within the Arum genus, known for developing tubers and simple arrow-shaped leaves. It produces small flowers hidden at the base of a yellow or purple club-like spadix, surrounded by a prominent hood-like spathe, followed by red berries. This deciduous plant thrives in full sun with a south or west-facing aspect, preferring moist but well-drained loam soil of any pH. Suitable for sheltered locations, it is hardy to H1c and is often grown as a houseplant, patio or container plant, and in conservatories or greenhouses, with interest in spring and summer.
Growing conditions
Best soil and position for Arum
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing or West-facing
- Exposure
- Sheltered
- UK hardiness
- H1c
Plant details
Arum elongatum size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- Houseplants, Patio and container plants, Sub-tropical, Bedding, Conservatory and greenhouse, Cut flowers
Care notes
Pruning and caring for Arum elongatum
- Propagation
- Division in spring
- Pest resistance
- May be susceptible to aphids or thrips; glasshouse red spider mite or glasshouse whitefly
- Disease resistance
- May be susceptible to bacterial or fungal rots or a virus
Frequently asked questions
Where is the best place to plant Arum elongatum?
Arum elongatum prefers full sun. It suits sheltered positions.
What soil does Arum elongatum need?
Arum elongatum grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Arum elongatum hardy in the UK?
Arum elongatum has an RHS hardiness rating of H1c, meaning it needs a warm, frost-free position of 5–10°C and is best grown under glass in the UK.
How do I propagate Arum elongatum?
Division in spring.
More in the Arum genus
- Arum dioscoridis
- Arum idaeum
- Arum italicum 'Caroline Hayes'
- Arum italicum 'Eco Ghost'
- Arum italicum 'Lady Aron'
- Arum italicum 'Pamela Harper'
- Arum italicum 'Taff's Giant'
- Arum maculatum 'Rusné'
