How to Grow Yard Long Red
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Yard Long Red
Vigna unguiculata subsp. sesquipedalis
vegetableYard Long Red is an Asian variety of asparagus bean (also called snake bean or long bean) that produces exceptionally long, slender red pods that can reach 12-18 inches in length. It's a warm-season climbing vine that thrives in tropical and subtropical climates, requiring sturdy support structures. The plant is highly productive and offers tender, flavorful pods perfect for stir-fries and Asian cuisine.
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Example Yard Long Red timeline · Pittsburgh, PA (Zone 6b)
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Plant Yard Long Red
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 Yard Long Red
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Yard Long Red dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; can be grown as an annual in zones 8-9 with season extension techniques
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Get my Yard Long Red timeline →Growth Stages
Seedling
2-3 weeksSmall plants with 2-4 true leaves, establishing root systems
Keep soil consistently moist. Provide bright indirect light if starting indoors. Harden off gradually before transplanting outdoors.
Vegetative/Vine Growth
3-4 weeksVigorous vine development with climbing tendrils and compound leaves; no flowers yet
Provide sturdy trellises or tall stakes (6-8 feet). Tie vines gently as they grow. Ensure consistent warmth (75-85°F ideal). Feed with balanced fertilizer every 2-3 weeks.
Flowering
2-3 weeksSmall white, purple, or bicolored flowers appear in clusters along the vine
Maintain consistent watering and warmth. Avoid nitrogen-heavy fertilizer; switch to higher phosphorus to encourage fruit set. Flowers are highly attractive to pollinators.
Fruiting/Pod Development
1-2 weeks per podLong, slender red pods develop rapidly from flowers, elongating daily to reach full length
Harvest pods regularly when young and tender (6-10 inches) to encourage continued production. Water consistently during pod development. Provide shade cloth in extremely hot climates to prevent sunscald.
Harvest
4-8 weeks of continuous harvestPods ready for picking at tender stage; continuous production if harvested regularly
Pick every 2-3 days. Mature pods become tough and stringy. Remove any missed mature pods to redirect energy to new growth. Plants remain productive for 2-3 months in favorable conditions.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with strong water stream; use insecticidal soap or neem oil; encourage beneficial insects like ladybugs
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Hand-pick beetles and egg masses; use row covers when young; apply neem oil or spinosad if infestation is severe
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Increase humidity through misting; spray with neem oil; use sulfur-based fungicides in hot, dry conditions
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Use reflective mulches; apply yellow sticky traps; spray with insecticidal soap or neem oil regularly
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Remove infested pods; use Bacillus thuringiensis (Bt); encourage parasitic wasps
Uses
Asian Stir-fries and Wok Cooking
CulinaryYard Long Red pods are prized in Asian cuisine for their tender texture and mild flavor when harvested young. They cook quickly in high-heat applications and absorb seasonings beautifully in stir-fries with garlic, ginger, and soy sauce. [source]
Fresh Vegetable Dishes
CulinaryThe tender pods can be steamed, boiled, sautéed, or added to curries and soups. They retain their crisp texture better than common green beans when cooked properly. [source]
Traditional Medicine and Nutrition
MedicinalIn traditional Asian medicine, long beans are valued for their high fiber, protein, and mineral content. They contain beneficial compounds including flavonoids and phenolic acids with antioxidant properties. [source]
Pollinator Support
WildlifeThe attractive flowers provide nectar and pollen for bees, butterflies, and other beneficial pollinators throughout the growing season. [source]
Garden Trellis and Ornamental Screen
HouseholdThe vigorous vines with their lush foliage and colorful flowers create an attractive living screen or privacy barrier while producing edible pods as a bonus. [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 6-10 inches long and are still tender and pliable. Harvest every 2-3 days by gently pulling or snipping with pruners to avoid damaging the vine. Early, frequent harvesting dramatically increases overall yield and encourages continuous flowering. Pods become tough, fibrous, and stringy if left too long on the plant. Morning harvest yields the most tender, flavorful pods.
Fun Facts
- 🌱 Yard Long Red pods can grow an inch per day under ideal conditions, earning their common name 'yard long bean' due to their extreme length compared to ordinary snap beans.
- 🌱 Unlike common beans, asparagus beans thrive in hot, humid tropical climates and actually prefer temperatures that would stress other bean varieties, making them ideal for warm regions.
- 🌱 The red pod color develops as the pods mature; harvesting at the immature light-green to pale-red stage ensures maximum tenderness and sweetness, while fully mature deep-red pods become tough and are better suited for dry bean production.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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