Indiana planting calendar

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

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

Okra planting timetable for Indiana

Stage	When in Indiana	Anchor
Start seeds indoors	late March (March 28)	4 weeks before the last frost (late April)
Transplant outside	early May (May 9)	14 days after the last frost (late April)
First harvest (estimate)	early July (July 8)	~60 days from transplant

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 okra 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 — okra stall in cold ground even after the air warms, so don't rush them out.

Okra is a heat-loving crop that stalls in cool weather — direct-sow or transplant after the last frost when soil temperature reaches 21 °C (70 °F), or pod set is poor. In zones 6-7, starting seeds 3-4 weeks indoors (in biodegradable pots to avoid tap-root disturbance) extends the season enough to reach full production. Soak seeds 12-24 hours before sowing to improve germination, and nick the hard seed coat if germination is slow.

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: 21-35 °C (70-95 °F).
Spacing: 12-18 inches (30-45 cm) between plants.
Days to harvest: ~60 days from planting out.

Frequently asked questions

When is the best time to plant okra in Indiana?

In Indiana (mostly USDA zone 6a), sow okra indoors around late March, transplant outdoors early May (after the last frost, late April), and harvest from early July. Okra 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 okra in Indiana?

Yes. Indiana's dominant zone 6a supports okra — the key is timing. Okra 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.