Asparagus Bean, Goa bean, Princess Bean, Winged Bean

Psophocarpustetragonolobus

Family
Fabaceae (fab-AY-see-ee)
Genus
Psophocarpus (so-fo-KAR-pus)
Species
tetragonolobus (tet-ra-gon-uh-LOW-bus)
Synonym
Dolichos ovatus
Dolichos tetragonolobus
Sun Exposure
Full Sun
Height
6-8 ft. (1.8-2.4 m)
Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Bloom Time
Late Summer/Early Fall
Other Details
Category
Edible Fruits and Nuts
Vegetables
Vines and Climbers
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; direct sow after last frost
Scarify seed before sowing
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Birmingham, Alabama

North Fort Myers, Florida

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Gardener's Notes:

0
positive
2
neutrals
0
negative
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A
Eustis, FL (Zone 9a) | May 2011 | neutral

I managed to get only 2 growing out of a pack of seeds I really worked with them but they are not doing well in central fl the plants are...Read More

S
Oklahoma City, OK (Zone 7a) | November 2004 | neutral

This plant can probably only be grown in our zones 9-11, if even in zone 9. The reason is that it requires a great deal of light. Befor...Read More

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