🌿 Yardlong Bean: Growing Guide
Yardlong Bean (Vigna unguiculata sesquipedalis) grows best in full sun with moderate watering, and does well at 21–38 °C (70–100 °F) in soil with a pH of 6.0–7.5. Space plants about 30 cm (12 in) apart. Expect 60–70 days.
Quick facts
| Scientific name | Vigna unguiculata sesquipedalis |
|---|---|
| Category | Tropical Vegetables |
| Sunlight | Full sun |
| Watering | Moderate |
| Plant spacing | 30 cm (12 in) |
| Soil pH | 6.0–7.5 |
| Comfortable temperature | 21–38 °C (70–100 °F) |
| Time to maturity | 60–70 days |
| Sowing depth | 2 cm (0.8 in) |
| Height | 200–400 cm (79–157 in) |
When to sow, plant and harvest
The calendar below shows the best months in each climate zone. Pick the zone closest to your garden.
| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mediterranean | Sow | Plant out | Harvest | Harvest | ||||||||
| Continental | Sow | Plant out | Harvest | |||||||||
| Oceanic | Sow | Plant out | Harvest | |||||||||
| Subtropical | Sow | Plant out | Harvest | Harvest | Harvest | |||||||
| Tropical | Plant out | Harvest | Harvest | Harvest | Harvest | Harvest | Plant out | Harvest | Harvest | Harvest | ||
| Cold / Northern | Plant out | Harvest | ||||||||||
| Arid / Semi-arid | Sow | Plant out | Harvest | Harvest |
- Mediterranean (Greece, Spain, Italy, coastal Turkey): Sow: May · Plant out: Jun · Harvest: Jul–Aug.
- Continental (Central/Northern Europe, inland Balkans): Sow: Jun · Plant out: Jul · Harvest: Aug.
- Oceanic (UK, France, Belgium, Netherlands, NW Europe): Sow: Jun · Plant out: Jul · Harvest: Aug.
- Subtropical (Southern US, N. Africa, Middle East): Sow: Feb · Plant out: Mar · Harvest: Apr–Jun.
- Tropical (SE Asia, Sub-Saharan Africa, Amazon): Plant out: Jan, Jul · Harvest: Feb–Jun, Aug–Oct.
- Cold / Northern (Scandinavia, Canada, Russia, Alpine): Plant out: Jul · Harvest: Aug.
- Arid / Semi-arid (Arabian Peninsula, inland Australia): Sow: Mar · Plant out: Apr · Harvest: May–Jun.
Watering
Water about every 2 days in summer and about every 7 days in winter. Regular watering.
Growing tips
Pods 50–80 cm long! Asian cuisine. Stir-fry. A climber. Heat tolerant.
Good companion plants
These plants grow well alongside it:
Common pests and problems
Frequently asked questions
Yardlong Bean: when should I sow and plant it?
Mediterranean (Greece, Spain, Italy, coastal Turkey): Sow: May · Plant out: Jun · Harvest: Jul–Aug. Continental (Central/Northern Europe, inland Balkans): Sow: Jun · Plant out: Jul · Harvest: Aug. Oceanic (UK, France, Belgium, Netherlands, NW Europe): Sow: Jun · Plant out: Jul · Harvest: Aug.
Yardlong Bean: how often should I water it?
Water about every 2 days in summer and about every 7 days in winter. Regular watering.
Yardlong Bean: how far apart should I plant it?
Plant about 30 cm (12 in) apart and sow at a depth of about 2 cm (0.8 in).
Yardlong Bean: how long does it take to grow?
Plan on 60–70 days.
Yardlong Bean: which plants grow well with it?
Corn, Radish.
Yardlong Bean: which pests and problems should I watch for?
Aphids, Cowpea curculio.
Plan your garden
Add Yardlong Bean to your garden design in the free GardenXPro planner: drag plants onto a 2D plan, preview it in 3D, check companions and get watering reminders.
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