Indiana planting calendar

When to plant bush beans in Indiana — sow, transplant & harvest dates

Indiana is mostly USDA zone 6a (range 5b-7a). Dates below are derived from bush beans's frost tolerance and Indiana's frost window — not generic national averages.

Bush beans planting timetable for Indiana

Stage	When in Indiana	Anchor
Direct-sow outside	early May (May 5)	10 days after the last frost (late April)
First harvest (estimate)	late June (June 29)	~55 days from direct sow

Dates are state-wide averages for the dominant zone. Local microclimates — elevation, urban heat, coastal moderation — can shift the window by 1-2 weeks. Use the frost-date calculator for a date tuned to your town.

Why Indiana's climate shifts the bush beans dates

Indiana's last spring frost averages late April and first fall frost mid-October, which sets the whole planting clock. Indiana is a temperate Midwest state with a reliable warm summer and a southern tier that runs a full zone milder than the north. Wait for warm soil — bush beans stall in cold ground even after the air warms, so don't rush them out.

Bush beans hate cold, wet soil — seed will rot below 16 °C. Wait 7-14 days after the last spring frost and sow direct in warm soil. Succession-plant every 2-3 weeks for a continuous harvest.

Frost-risk note

Don't plant before late April — even a light frost will kill seedlings overnight. In the northern lake-effect counties (zone 5b) the safe date runs a week or two later.

Regional variation within Indiana

the northern lake-effect counties (zone 5b) runs roughly 1-2 weeks behind the state average; the Ohio River valley near Evansville (zone 7a) can plant 1-2 weeks earlier.

Indianapolis — USDA zone 6a
Fort Wayne — USDA zone 5b
Evansville — USDA zone 7a
South Bend — USDA zone 6a

What else to plant in Indiana around then

Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.

Quick-grow guide

Sun: Full sun — 6-8 hours direct.
Soil temperature for germination: 18-29 °C (65-85 °F).
Spacing: 4-6 inches (10-15 cm) between plants.
Days to harvest: ~55 days from planting out.

Frequently asked questions

When is the best time to plant bush beans in Indiana?

In Indiana (mostly USDA zone 6a), direct-sow bush beans early May (after the last frost, late April), and harvest from late June. Bush beans are frost-tender — a single light frost kills seedlings, so they only go outside once frost danger has fully passed and the soil is warm.

What USDA zone is Indiana?

Most of Indiana sits in USDA hardiness zone 6a, with the state spanning roughly 5b-7a from the northern lake-effect counties (zone 5b) to the Ohio River valley near Evansville (zone 7a). The last spring frost averages late April and the first fall frost mid-October.

Can you grow bush beans in Indiana?

Yes. Indiana's dominant zone 6a supports bush beans — the key is timing. Bush beans are frost-tender — a single light frost kills seedlings, so they only go outside once frost danger has fully passed and the soil is warm.

Does the planting date change across Indiana?

the northern lake-effect counties (zone 5b) runs roughly 1-2 weeks behind the state average; the Ohio River valley near Evansville (zone 7a) can plant 1-2 weeks earlier.

What else can I plant in Indiana around the same time?

Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.

Source and methodology

State zone spans from the USDA Plant Hardiness Zone Map (2023); frost-date averages from NOAA Climate Data Online. Hot-state two-season timing cross-checked against the UF/IFAS Florida Gardening Calendar and the University of Arizona Cooperative Extension planting calendar. Curated by the Growli editorial team.