Overview
Crinum americanum is a clump-forming bulbs in the genus Crinum, part of the Amaryllidaceae family, with linear, strap-shaped foliage. Crinum americanum grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include specimen plant and border.
About
Crinum americanum, commonly known as Florida swamp lily or southern swamp lily, is a bulbous perennial in the Amaryllidaceae family. It forms clumps of linear, strap-shaped foliage and produces clusters of aromatic, funnel-shaped blooms in spring. This cultivar thrives in well-drained loam soil with neutral pH, preferring full sun and a sheltered, south-facing aspect. Suitable for use as a specimen plant or in borders, it is hardy to UK zone H4 and can be propagated by offsets or seeds.
About the genus
Crinum is a genus of about 180 species of perennial plants that have large showy flowers on leafless stems, and develop from bulbs. They are found in seasonally moist areas, including marshes, swamps, depressions and along the sides of streams and lakes in tropical and subtropical areas worldwide.
Wikipedia contributors, "Crinum", CC BY-SA 4.0 — Crinum
Growing conditions
Best soil and position for Crinum
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Crinum americanum size, habit and characteristics
- Plant type
- Bulbs, Conservatory Greenhouse
- Habit
- Clump-forming
- Foliage
- Linear, strap-shaped
- Suggested uses
- Specimen plant, border
Care notes
Pruning and caring for Crinum americanum
- Propagation
- Offsets, seeds
- Pest resistance
- Good
- Disease resistance
- Good
Frequently asked questions
Where is the best place to plant Crinum americanum?
Crinum americanum prefers full sun. It suits sheltered positions.
What soil does Crinum americanum need?
Crinum americanum grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Crinum americanum hardy in the UK?
Crinum americanum 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 Crinum americanum?
Offsets, seeds.
More in the Crinum genus
- Crinum longifolium
- Crinum powellii 'Album'
- Crinum × powelliiswamp lily
- Crinum × powellii 'Ellen Bosanquet'Ellen Bosanquet Crinum
- Crinum × powellii 'Haarlemense'Haarlem Crinum
- Crinum × powellii 'Krelagei'