How to Grow Makai
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Makai
Vigna unguiculata subsp. unguiculata
vegetableMakai, commonly known as yard-long bean or asparagus bean, is a heat-loving legume that produces exceptionally long, slender pods. Native to Africa and widely cultivated in Asia, it thrives in warm climates and produces abundantly throughout the growing season. The plant is valued for its tender, crisp pods that can reach 12-24 inches in length.
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Example Makai timeline · Pittsburgh, PA (Zone 6b)
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Plant Makai
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Makai
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Makai dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in warm zones 9-11; can be grown as annual in zones 7-8 with protection
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Get my Makai timeline →Growth Stages
Seedling
10-14 daysEmergence of true leaves; delicate vining growth beginning
Keep soil warm (75-85°F); provide support early; thin to proper spacing; protect from cold
Vegetative
20-30 daysRapid vine growth; establishment of climbing or trailing stems; development of compound leaves
Provide sturdy trellis or support structure; ensure consistent moisture; light nitrogen feeding; monitor for pests
Flowering
15-25 daysAppearance of small clustered flowers, typically white, pink, or purple; flowers appear in succession
Maintain consistent watering; reduce nitrogen to encourage flowering; avoid over-fertilizing; ensure good air circulation
Pod Development
20-30 daysElongation of slender green pods from flower sites; pods grow rapidly and can reach 12-24 inches
Begin harvesting at tender stage (6-8 inches); continue harvesting to encourage more production; water consistently
Mature Pod/Seed Stage
10-15 daysPods become tougher, seeds enlarge and harden inside; pods turn yellowish or brown if left to dry
Stop harvesting if saving seeds; allow pods to dry on vine; harvest seed pods when fully brown and dry
Common Pests
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Store dried seeds in airtight containers with bay leaves; use food-grade diatomaceous earth; freeze seeds before storage
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Hand-pick affected pods; use pheromone traps; apply neem oil or spinosad; encourage natural predators
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Increase humidity by misting; spray with water forcefully; apply neem oil or horticultural soap; introduce predatory mites
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Use yellow sticky traps; spray with insecticidal soap; apply neem oil; encourage parasitic wasps
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Spray with water; use insecticidal soap; apply neem oil; attract ladybugs and lacewings
Uses
Stir-fry and Asian cuisine
CulinaryMakai is a staple in Asian cooking, where tender young pods are lightly stir-fried, steamed, or added to soups and curries. The mild, slightly sweet flavor and crisp texture make it popular in Vietnamese, Chinese, Thai, and Indian dishes. [source]
Dried bean nutrition
CulinaryMature seeds can be dried and cooked as a legume, providing protein, fiber, and essential minerals similar to black-eyed peas. Dried makai beans are used in traditional soups and stews in African and Asian cuisines. [source]
Traditional medicine and nutrition
MedicinalUsed in traditional African and Asian medicine to support digestive health and provide nutrient-dense sustenance. Rich in folate, iron, and polyphenols with antioxidant properties. [source]
Nitrogen fixation and soil improvement
HouseholdAs a legume, makai fixes atmospheric nitrogen through symbiotic relationships with soil bacteria, improving soil fertility for subsequent crops. Excellent cover crop and green manure plant. [source]
Pollinator and beneficial insect support
WildlifeAttractive flowers provide nectar and pollen for bees, butterflies, and other beneficial insects during the flowering stage. The vining growth also provides habitat structure. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Begin harvesting when pods reach 6-8 inches long while still tender and before seeds enlarge; pods become tough if left too long. Harvest every 2-3 days to encourage continuous production throughout the season. Snap pods by hand or use scissors. For seed saving, allow final pods to mature fully on the vine until completely brown and dry, then shell and store.
Fun Facts
- 🌱 Makai pods can grow up to 3 feet long in ideal conditions, though 12-24 inches is more typical for the most tender, edible stage.
- 🌱 The plant is remarkably heat and drought-tolerant once established, making it an excellent choice for tropical and subtropical gardens with limited water.
- 🌱 In addition to fresh pod consumption, makai seeds have been used as traditional currency and barter items in some African cultures due to their nutritional value and long storage capability.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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