Seed Swaps

Winged bean     

Psophocarpus tetragonolobus

  • 12 plantings
  • 1 for swap
  • 3 wanted
  • 16 stashed

Winged bean is part of the Psophocarpus genus and its scientific name is Psophocarpus tetragonolobus.

Pea like beans with four winged edges. Entire plant is edible. Young pods may be eaten like green beans, leaves are similar to spinach when cooked, and the flowers can be used like mushrooms.2 High protein.2

Produces better in short day seasons and is best grown in warm climates.2

The winged bean grows as a vine with climbing stems. Although it is a perennial it can be grown as an annual. Taller and larger than the Common bean producing a pod 6 – 9" (15-22cm) long and has 4 wings with frilly edges running lengthwise. The skin is waxy and the flesh somewhat translucent in young pods. When the pod is fully grown it turns an ash-brown color and it opens to release the seeds.4

This variety typically blooms in the following colours:   Light Thulian pink and   Ghost white. This variety typically produces fruit in the following colours:   Green-yellow. The leaves of this particular variety normally show as   Forest green (web)

It is a flowering edible vegetable / legume that typically grows as an annual/perennial, which is defined as a plant that can matures and completes its lifecycle over the course of one year or more.

Winged bean is known for its mound-forming habit and growing to a height of approximately 3.00 metres (9.75 feet).

Typically, Winged bean is normally fairly low maintenance and can thus be quite easy to grow - only a basic level of care is required throughout the year to ensure it thrives. Being aware of the basic growing conditions this plant likes (soil, sun and water) will result in a strong and vibrant plant.

This plant info is provided by the myfolia gardener's wiki. All details about Winged bean have been kindly provided by our members.

How to grow Winged bean

  • Full Sun

  • High

Several growers say they prune the vines after about the 12th leaf appears. This causes the vines to send out as many as six side shoots, much like a grapevine, so you get a huge increase in pod production.3

Try to plant in a location that enjoys full sun and remember to water often. Use Zone 8 - Zone 14 as your guideline for the appropriate climate for this plant. Keep in mind when planting that Winged bean is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside.

See our list of companion Plants for Winged bean to see which plants you should plant in close proximity to encourage growth.

Growing Winged bean from seed

The seeds have a hard coat that may affect germination, soak the seeds for 24-48 hours before planting. After soaking swollen seeds have better germination. Unswollen seeds can be scarified (scratched with knife, sandpaper, or file).1

Try to aim for a seed spacing of at least 3.9 inches (10.0 cm) and sow at a depth of around 0.78 inches (2.0 cm). Soil temperature should be kept higher than 21°C / 70°F to ensure good germination.

Transplanting Winged bean

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Winged bean is a tender plant.

Harvesting Winged bean

The mature pods can grow up to 22 cm (9") long, though they taste better when picked small, no more than 15 cms (3") long. Most commercially grown beans are harvested at 10-15 cms. When the pods become too ripe, they get stringy and tough, but the flip side is that the seeds inside can be eaten just like your regular garden variety shelling peas. When fully mature and dried the seeds may be cooked by soaking in water for an hour and then boiling in water similar to beans.3

How long does Winged bean take to grow?

These estimates for how long Winged bean takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Start logging and journaling your observations to participate!

Days to Germination How long does it take Winged bean to germinate?
5 days

Average 5 days | Min 2 days | Max 9 days (5)

Days to Transplant How long until I can plant out Winged bean?
+ 30 days

Average 30 days | Min 30 days | Max 30 days (1)

Days to Maturity How long until Winged bean is ready for harvest / bloom?
+ 65 days

Average 65 days | Min days | Max days (0)

Total Growing Days How long does it take to grow Winged bean?
= 100 days

Other names for Winged bean

Goa bean, Princess bean, Asparagus pea, Four-angled bean, Wingbeans, Asian Winged Beans[1], Manila beans

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