Overview
Arisaema ringens is a plant with a columnar upright habit in the genus Arisaema, part of the Araceae family, with deciduous foliage. It typically grows around 0.45 metres tall. Arisaema ringens grows best in partial shade, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H4. Suggested uses include cottage and informal garden, flower borders and beds and underplanting of roses and shrubs.
About
Arisaema ringens, the Japanese cobra lily, is a species of flowering plant in the family Araceae, native to the Zhoushan Islands of China, Taiwan, South Korea, central Japan, and the Ryukyu Islands. A tuberous geophyte reaching 45 cm (18 in), in the wild they are found at low elevations in forests.
Wikipedia contributors, CC BY-SA 4.0 — Arisaema ringens
About the genus
Arisaema is a large and diverse genus of the flowering plant family Araceae. The largest concentration of species is in China and Japan, with other species native to other parts of southern Asia as well as eastern and central Africa, Mexico and eastern North America. Asiatic species are often called cobra lilies, while western species are often called jack-in-the-pulpit; both names refer to the distinctive appearance of the flower, which consists of an erect central spadix rising from a spathe.
Wikipedia contributors, "Arisaema", CC BY-SA 4.0 — Arisaema
Growing conditions
Best soil and position for Arisaema
- Sunlight
- Partial shade
- Soil type
- Loam, Sand
- Soil pH
- Acid, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- North, East, West-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Arisaema ringens size, habit and characteristics
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- 0.45 metres
- Suggested uses
- Cottage and informal garden, Flower borders and beds, Underplanting of roses and shrubs
Care notes
Pruning and caring for Arisaema ringens
- Propagation
- Seed sown in containers in a cold frame in autumn or spring, Offsets removed in late summer
- Pest resistance
- Slugs, Vine weevil
Frequently asked questions
Where is the best place to plant Arisaema ringens?
Arisaema ringens prefers partial shade. It suits sheltered positions.
What soil does Arisaema ringens need?
Arisaema ringens grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.
How big does Arisaema ringens grow?
Arisaema ringens reaches a height of 0.45 metres.
Is Arisaema ringens hardy in the UK?
Arisaema ringens has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Arisaema ringens?
Seed sown in containers in a cold frame in autumn or spring, Offsets removed in late summer.
