Crinum americanum

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String Lily, Swamp Lily


Plant Specifics

Size:1-2 ft tall by 1 ft wide
Life Span:Long-lived perennial
Flower Color:White
Fruit Color:Green
Phenology:Evergreen, winter dormant. Can bloom at any time of year -- in the north generally in spring. In central Florida, often in late fall-winter.
Noted for:Aroma, fragrance, Showy flowers


Recommended Uses:Moist wildflower gardens. Easily grown along streams.
Propagation:Division of bulbs, seed.
Availability:Native nurseries
Light: Full Sun,  Part Shade,  Shade
Moisture Tolerance:
always floodedextremely dry
 (Aquatic ----- to ----- Somewhat moist, no flooding)
Moisture Tolerance: Aquatic ----- to ----- Somewhat moist, no flooding
Salt Water Flooding Tolerance:Tolerant of inundation with brackish water
Salt Spray/ Salty Soil Tolerance:Some tolerance to salty wind but not direct salt spray.
Soil or other substrate:Loam, Organic material (muck), Sand
Soil pH:Acidic to neutral



Pollinated by sphinx moths. Larval host for Spanish moth a.k.a. convict caterpillar (Xanthopastis timais)

Native Habitats:Riverine swamps, riverine marshes, open wet prairies.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures


General Comments:This is a wetland plant, but it will do well once established in a moist garden setting.