When should I plant bush beans in ZIP 43215?

In ZIP 43215, the main bush beans target is around May 7, based on the representative Columbus frost station and USDA zone 6b.

When should I start bush beans seeds indoors in 43215?

Bush beans is usually direct-sown for ZIP 43215. Use the May 7 planting window instead of starting it indoors.

Is this a guaranteed planting date?

No. GrowZone uses frost-date estimates, hardiness zones, and crop timing rules for planning. Local microclimates and current weather can shift the right date.

ZIP 43215 planting calendar

When to plant bush beans in Columbus, OH - Zone 6b

Q: When is the first frost in Columbus?

Columbus (ZIP 43215) has an average first fall frost around Oct 15, leaving about 168 frost-free days.

In ZIP 43215, plant bush beans around May 7; this uses the Columbus frost station, USDA zone 6b, and bush beans timing rules.

Your Columbus calendar has a 168-day estimated frost-free season. This estimate uses the representative Columbus frost station, USDA zone 6b, and bush beans timing rules.

Source: columbus-port-columbus frost station, USDA zone 6b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

USDA zone 6b Columbus frost station Ohio State University Extension Updated 2026-06-28

Read the method

Answer first

When to start bush beans seeds indoors in Columbus

In ZIP 43215, bush beans is usually direct-sown around May 7 instead of started indoors.

Bush beans is normally direct-sown in Columbus. Use around May 7 as the outdoor planting window for ZIP 43215.

Seed starting schedule

Bush beans dates for Columbus, OH

Step	Date	How to use it
Direct Sow	May 7, 2026	Sow seed outside when the crop and soil can handle the window.

Last frost

When is the last frost in Columbus?

Columbus (ZIP 43215) has an average last spring frost around Apr 30.

First frost

When is the first frost in Columbus?

The average first fall frost is around Oct 15, giving about 168 frost-free days.

Season map

Bush beans windows by month

JanFebMarAprMayJunJulAugSepOctNovDec

Direct sow

May 7

Harvest

Jul 1

Frost watch

Aug 21

Reminder workflow

Every date has a next action

Last frost windowApr 30

Direct sow bush beansMay 7

First bush beans harvest windowJul 1

Last bush beans sowing targetAug 21

Signal	Value	Why it matters
Last frost estimate	April 30, 2026	Warm-season transplant risk starts falling after this window.
First frost estimate	October 15, 2026	Fall planting counts backward from this date.
Season length	168 days	Longer seasons can support succession crops.
Spacing	4-6 in	Airflow and root space affect yield.
Soil temperature	60 F+	Seeds and transplants stall in cold soil.

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Local data

Why this date changes by ZIP

Columbus frost history and USDA zone 6b shift the safe planting window. GrowZone uses a local representative station instead of one national rule.

Ohio State University Extension is the kind of local source to verify against when a crop is expensive, weather is unusual, or your yard has a cold pocket.

Crop note

Bush beans timing notes

Wait until soil is warm, then sow every two weeks for a steady crop. Bush beans prefers full sun, 4-6 in spacing, and soil near 60 F+.

For fall, count backward from Oct 15. A conservative last sowing target is around Aug 21.