Winged Bean Seeds - Đậu Rồng, Heirloom Non-GMO Climbing Vegetable

Winged Bean Seeds – Đậu Rồng

Grow a distinctive tropical climbing vegetable with Winged Bean, Psophocarpus tetragonolobus. Also known as Đậu Rồng, this heirloom, Non-GMO crop produces vigorous vines and unusual four-angled green pods edged by prominent wing-like ridges.

Winged Bean thrives during warm, frost-free weather and is grown as an annual crop in the Mai's Family product guide. Give the vines full sun, regular moisture, fertile well-drained soil, and sturdy climbing support for strong growth and repeated tender-pod harvests.

Product Highlights

• Winged Bean / Đậu Rồng.
• Heirloom and Non-GMO product traits.
• Tropical warm-season annual crop.
• Vigorous climbing growth for trellises and fences.
• Product guide lists approximately 60–70 days to harvest.
• Harvest young tender pods at approximately 4–6 inches.

Plant Profile

• Common Name: Winged Bean
• Vietnamese Name: Đậu Rồng
• Botanical Name: Psophocarpus tetragonolobus
• Life Cycle: Annual crop
• Growth Habit: Climbing / Vining
• Pod: Four-angled green pod with wing-like ridges
• Light: Full sun, approximately 6–8 hours daily
• Soil: Loose, fertile, well-drained soil
• Preferred Soil pH: Approximately 6.0–7.0
• Plant Spacing: Approximately 12–18 inches
• USDA Zone Guide: Zones 9–11 with annual warm-season cultivation
• Harvest: Approximately 60–70 days under suitable conditions

Growing Overview

Soak Winged Bean seeds in water for approximately 12–24 hours before planting.

Direct sow after the final frost when the soil has warmed. Plant approximately 1 inch deep in prepared, well-draining soil and keep the seedbed evenly moist.

The current Mai's Family product guide does not specify an exact germination period, so germination timing is not presented as a fixed product claim.

Support & Spacing

Space plants approximately 12–18 inches apart and install sturdy support before vines become large.

A trellis, fence, or strong climbing frame helps keep vines organized and makes developing pods easier to inspect and harvest.

Sun, Soil & Water

Provide full sun for approximately 6–8 hours daily.

Use loose, fertile, well-drained soil with a preferred pH around 6.0–7.0.

Maintain regular, even moisture while vines establish and produce pods, but do not leave roots standing in water.

Harvest & Enjoy

The product guide lists approximately 60–70 days to harvest, although actual timing varies with planting date, temperature, sunlight, and growing conditions.

Pick pods while young and tender, approximately 4–6 inches long. Check vines frequently because pods can become overmature between harvests.

Tender Winged Bean pods can be cooked in stir-fries, soups, curries, and other Asian-style vegetable dishes.

What to Expect

Winged Bean is highly adapted to warm growing conditions. Frost and prolonged cold can stop growth, so plan the crop for a sufficiently long frost-free season.

Final vine size, flowering time, and harvest timing vary with temperature, daylight, soil fertility, moisture, support, and local climate.

Frequently Asked Questions

Should I soak Winged Bean seeds before planting?

Yes. The Mai's Family product guide recommends soaking seeds in water for approximately 12–24 hours before sowing.

How deep should I plant Winged Bean seeds?

Plant approximately 1 inch deep in loose, well-drained soil.

Does Winged Bean need a trellis?

Yes. Winged Bean is a climbing vegetable and should be provided with a trellis, fence, or another sturdy support.

When should I harvest the pods?

The product guide lists approximately 60–70 days to harvest. Pick pods while they are young and tender, around 4–6 inches long.

How much sunlight does Winged Bean need?

Provide full sun, approximately 6–8 hours each day.