Urizun Japanese Winged Beans arranged with blooms and foliage on a white background.
A line of Urizun Japanese Winged Beans surrounded by blue blooms on a white background.
Urizun Japanese Winged Beans arranged in circle with blue blooms and old coins on a speckled white background.
Urizun Japanese Winged Beans with foliage and blooms on a white background.
Sliced and whole Urizun Japanese Winged Beans with blue blooms on a wooden background.
A gardener holds a handful of Urizun Japanese Winged Beans with blooms.
A close-up macro view of Urizun Japanese Winged Beans with blue blooms.
Urizun Japanese Winged Beans arranged with blooms and foliage on a white background.
A line of Urizun Japanese Winged Beans surrounded by blue blooms on a white background.
Urizun Japanese Winged Beans arranged in circle with blue blooms and old coins on a speckled white background.
Urizun Japanese Winged Beans with foliage and blooms on a white background.
Sliced and whole Urizun Japanese Winged Beans with blue blooms on a wooden background.
A gardener holds a handful of Urizun Japanese Winged Beans with blooms.
A close-up macro view of Urizun Japanese Winged Beans with blue blooms.

Winged Bean Seeds,
Urizun Japanese

3.942 ReviewsSKU: #AB125Min. seed count: 10
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Description

(Psophocarpus tetragonolobus) Pole bean. An early maturing and supremely delicious winged bean from Japan. This highly adaptable winged bean variety is not day length sensitive, making it an excellent choice for a wide range of growing areas. Winged beans are native to equatorial Asia. Baker Creek's founder, Jere Gettle, first encountered winged beans on a trip to Thailand. Being a tropical crop from the equator, the winged bean typically takes a long season to flower, only setting pods just before frost in our Missouri climate. For years Jere searched for a winged bean variety that would bear pods earlier in order to enjoy a longer harvest season. Urizun is just the variety he had been searching for; this variety will begin to produce pods in August, and heavy production continues until frost. This heat-loving vegetable is especially popular on the island of Okinawa, Japan, where it takes center stage during the warm summer months. Vines are lush and tropical looking, with large, lavender flowers and unique pods. The vines will readily climb a trellis or fence, making this an exotic edible ornamental. Traditionally blanched and stir fried with ume (pickled Japanese plum), we love to toss them into the wok with just about anything; they are also great in soups or steamed. Sliced pods resemble little stars and are a fun way to introduce kids to this nutritious vegetable.

Growing Tips: The winged bean Urizun thrives best in warm, tropical climates and requires full sun exposure for optimal growth. It's important to plant it in well-drained, fertile soil with a pH ranging from 6.0 to 6.8. Consistent moisture is key, especially during flowering and pod development. Additionally, providing a sturdy trellis or support structure is essential as the vines can grow over 10 feet tall.

Plant Details

Botanical Name
Psophocarpus tetragonolobus
Life Cycle
Annual
Growth Habit
Pole
Sun Requirement
Full sun
Days to Germinate
7–14
Days to Maturity
120
Planting Depth
1–2 in.
Plant Spacing
6 in.
Ideal Temperature
75–95°F
Frost Hardy
No

When to Grow

The best time to plant Urizun winged beans is after the last frost date in spring when the soil has warmed to at least 70 F. The perfect temperature for growth is 75-95 F. In USDA zones 9-11, you can plant it directly outdoors. For cooler regions, consider starting seeds indoors and transplanting them after the danger of frost has passed. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

To improve germination, soak the seeds for 1-2 hours before planting. Sow the seeds 1-2 inches deep and space them 6-12 inches apart, with rows 3 feet apart. If starting indoors, use a soilless mix and transfer the seedlings to the garden once they have their first true leaves and are large enough to handle​.

How to Grow

Ensure the plants receive regular watering, keeping the soil consistently moist but not waterlogged. Mulching can help retain moisture and suppress weeds. While winged bean plants are not heavy feeders, incorporating compost or a balanced fertilizer at planting time and again during pod development can be beneficial. Pruning is generally unnecessary, but trimming the tops of the vines can encourage bushier growth.

How to Save Seeds

  • Winged beans are self pollinating and will not cross with other legumes.
  • Saving seeds is easy. Allow pods to fully mature and dry on the plant; collect the seeds as the pods split and then store them in a cool, dark, dry place.

FAQ

What pests and diseases should I watch out for?

Common issues include aphids, spider mites, and powdery mildew. Regular monitoring and organic pest control methods are recommended.

When should I harvest the Urizun winged bean pods?

Harvest the pods when they are young and tender, at about 6 to 8 inches long. Urizun begins bearing around 120 days from sowing; in our Missouri climate that means August, with heavy production continuing until frost. Overly mature pods become fibrous and less desirable.

How can I store the harvested Urizun winged beans?

Fresh pods can be stored in the refrigerator for up to a week. For longer storage, consider drying the beans​​.
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