How to Grow Tepary Bean
Phaseolus acutifolius
Tepary bean is an exceptionally drought- and heat-tolerant legume from the American Southwest. Direct sow into warm soil after last frost — no transplanting needed. It fixes its own nitrogen so feed lightly or not at all. Water sparingly once established; overwatering reduces yield. Leave pods on the plant to dry fully before harvesting. Ideal for hot, dry growing conditions and low-input gardens.
When to Start
Start seeds indoors 6 weeks before your last frost date. Transplant outdoors once night temperatures stay above 12°C and soil has warmed to at least 18°C.
Don't know your frost date? Find it here →
Growth Stages
Approximate days from start
Care Essentials
- Tepary bean fixes its own nitrogen as a legume — avoid high-nitrogen fertilisers. A small amount of phosphorus-rich feed at sowing encourages good root establishment.
- Tepary bean is one of the most drought-tolerant legumes in cultivation, native to the arid Southwest USA and Mexico. It thrives in poor, dry soils where common beans struggle. Excellent choice for hot, dry summers or low-irrigation gardens.
Growing Conditions
- Min. soil temperature
- 18°C+
- Germination temperature
- 20–35°C
- Direct sow
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Spacing & Planting
| Plant spacing | 15 cm |
| Row spacing | 45 cm |
| Sow depth | 3 cm |
| Mature height | 60 cm |
| Mature spread | 40 cm |
Bush-type bean. Direct sow 15 cm apart in rows 45 cm apart. Thin to 20 cm if sown thickly. Supports not required for most varieties.
Growing Conditions
| Min. soil temperature | 18°C |
| Germination temperature | 20–35°C |
| Base growth temperature | 12°C |
| Photoperiod sensitivity | short day |
Frequently Asked Questions
- How far apart should I plant Tepary Bean?
- Plant Tepary Bean 15cm apart with 45cm between rows.
- Is Tepary Bean frost hardy?
- Tepary Bean is classified as Tender.
