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Beach-bean, Baybean, Seaside jackbean
Canavalia rosea
Fabaceae


General Landscape Uses:

Groundcover in open coastal areas.

Ecological Restoration Notes:

A common and important pioneer vine on beach dunes nearly throughout South Florida.
Availability:
Grown by enthusiasts.
Description:
Sprawling or climbing vine with very long stems.
Dimensions:
Typically 6-12 inches in height when creeping along the ground; stems to 50 feet or more in length and sometimes high climbing in other vegetation.
Growth Rate:
Fast.
Range:
Southeastern United States west to Texas and south to the Monroe County Keys; West Indies, Mexico, Central America, South America and the Old World tropics.
Habitats:
Coastal uplands.
Soils:
Moist, well-drained sandy soils, without humus.
Nutritional Requirements:
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
Low; does not tolerate long-term flooding by salt or brackish water.
Salt Wind Tolerance:
Pioneer; grows in unconsolidated substrate in direct salt wind and spray.
Drought Tolerance:
High; does not require any supplemental water once established.
Light Requirements:
Full sun.
Flower Color:
Pink to rose purple with white markings.
Flower Characteristics:
Showy.
Flowering Season:
All year; peak summer-fall.
Fruit:
Brown pod (legume), 4-6" long, flattened. All year.
Wildlife and Ecology:
An important pioneer species and sand stabilizer of beach dunes.
Horticultural Notes:
Can be grown from seed. Soak in water for several hours to speed up germination.
Comments:
It can be aggressive in cultivation, climbing and covering shrubs and sometimes trees. The seeds and seed pods are poisonous.


 


Roger L. Hammer
George D. Gann
Shirley Denton
Shirley Denton
Shirley Denton
Keith A. Bradley
Keith A. Bradley
Keith A. Bradley

Keith A. Bradley