Photo by Melody

PlantFiles: Jack Bean
Canavalia ensiformis

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Family: Papilionaceae (pa-pil-ee-uh-NAY-see-ee) (Info)
Genus: Canavalia (kan-uh-VAY-lee-uh) (Info)
Species: ensiformis (en-see-FORM-iss) (Info)

14 members have or want this plant for trade.

Category:
Annuals
Vegetables

Height:
24-36 in. (60-90 cm)

Spacing:
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)

Hardiness:
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Light Shade

Danger:
Unknown - Tell us

Bloom Color:
Magenta (Pink-Purple)

Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall

Foliage:
Grown for foliage

Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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By Horseshoe
Thumbnail #1 of Canavalia ensiformis by Horseshoe

By Horseshoe
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By Horseshoe
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By jazzinfire
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Profile:

2 positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral frostweed On Mar 2, 2007, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Jack Bean Canavalia ensiformis is Naturalized in Texas and other States.

Neutral galdenrover On Nov 6, 2006, galdenrover from Keller, TX wrote:

I bought it as a seedling from a plant-in-a-can company and it has grown like crazy. If the trellis was tall enough this baby would be 14' tall! If only, if only.
Instead it goes up 7' and back down again.

Positive ligia On Nov 22, 2005, ligia from So Paulo
Brazil wrote:

Allelopatic against Poaceae and some other Fabaceae. Useful to prevent some insects in crops, also some fungi. Unnecessary to innoculate Rhizobium, the association is native in jack beans.

Positive Horseshoe On Dec 1, 2003, Horseshoe from Efland, NC (Zone 7a) wrote:

Mercy! It took several months to find out what this "mystery lima" plant was. Thanks to some Internet friends it was discovered this is no lima but rather a "pea"!
A fun plant to grow, a great conversation piece, a wonderful green manure/cover crop and, instead of eating the bean/seed it is said that people eat the young foliage. (Use as a potherb or stir-fry.)

Native to the West Indies and Central America, this plant thrives on heat but has been successfully grown at elevations of 6,000 ft.

Seed can be planted in rows, as a potted specimen plant, or if planted as a green manure then broadcasting the seed is recommended. (Those of you with short growing seasons may want to start seed indoors. Maturity date for seed runs from 180-300 days!)

Regional...

This plant has been said to grow in the following regions:

Pensacola, Florida
Zephyrhills, Florida
Lawrenceville, Georgia
Walnut Shade, Missouri
Efland, North Carolina
Mountain View, North Carolina
Florence, South Carolina
Cleveland, Tennessee
Houston, Texas
Keller, Texas
Knollwood, Texas
Longview, Texas



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