How to Grow Scarlet Runner Bean

Updated June 2026

A cool-season fruiting for the home garden across the warmer US.

Scarlet Runner Bean is a rewarding cool-season crop for backyard growers.

When to plant

Scarlet Runner Bean is a cool-season crop. In the South and Southwest, plant in fall through winter when the heat eases. See your region on the scarlet runner bean page for exact timing.

Varieties

Scarlet Runner, Edible beans and red flowers (Botanical Interests)

How to grow it

Sun & soil: full sun, rich well-drained soil with even moisture.
Spacing: about 8 in between plants.
Sowing: sow about 1.5 in deep.
Water: roughly 1.3 gal per plant every 2 days in hot weather.

Pests & problems

Watch for Aphids and Bean fly. In humid regions, Rust and Halo blight can appear, so space for airflow and water at the roots in the morning.

Harvest

Scarlet Runner Bean is usually ready to harvest in about 2 months. Pick regularly to keep plants productive.

When to plant in your region

Pick your region to see exactly when to plant scarlet runner bean where you garden.

See what to plant this month

Pick your region for a month-by-month calendar tuned to your climate.

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