Herb

When to Plant Cilantro in Indiana

You either love it or your genetics say no. For the cilantro lovers, it's an essential herb that bolts fast in heat.

The Short Answer

Cilantro are planted in fall in Indiana, 6 weeks before your first frost date. That means planting around Oct 1 - Oct 15 in Northern Indiana.

Indiana Frost Dates

Your planting dates depend on which part of Indiana you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Indiana 5b, 6a Apr 25 - May 10 Oct 1 - Oct 15
Central Indiana 6a, 6b Apr 15 - May 1 Oct 10 - Oct 25
Southern Indiana 6b Apr 10 - Apr 25 Oct 15 - Nov 1

Cilantro Planting Schedule for Indiana

Northern Indiana (Zones 5b, 6a)

Average last frost: Apr 25 - May 10 · Average first frost: Oct 1 - Oct 15

Direct Sow
2 wks before frost
Fall Planting
6 wks before first frost

Central Indiana (Zones 6a, 6b)

Average last frost: Apr 15 - May 1 · Average first frost: Oct 10 - Oct 25

Direct Sow
2 wks before frost
Fall Planting
6 wks before first frost

Southern Indiana (Zones 6b)

Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 15 - Nov 1

Direct Sow
2 wks before frost
Fall Planting
6 wks before first frost

Growing Cilantro in Indiana

Cilantro in Indiana's Climate

Cilantro thrives in your cool springs and falls but bolts rapidly once temperatures exceed 80°F. Succession plant every 2-3 weeks during the cool windows. Let some plants bolt to produce coriander seeds (a spice in their own right) and self-seed for volunteer plants next season.

Soil Considerations for Indiana

Clay-heavy soils common statewide. Rich but can have drainage issues. Raised beds help with heavy clay.

Indiana Climate & Growing Season

Four seasons. Hot, humid summers. Adequate rainfall for most crops. Occasional late spring frosts catch gardeners off guard.

Growing season length varies across Indiana: Northern Indiana (5b, 6a) has a last frost around Apr 25 - May 10, while Southern Indiana (6b) sees frost end around Apr 10 - Apr 25. This difference matters for cilantro — adjust your planting dates to match your specific region.

Growing Tips

Bolts quickly in heat — succession plant every 3 weeks and grow in partial shade during summer. Let some bolt for coriander seeds.

Companion Planting

Plant cilantro alongside these companions for better growth:

Beans Peas Tomatoes

Keep cilantro away from:

Fennel

The Bottom Line

Cilantro can be grown successfully across Indiana, but your exact planting dates depend on which region you're in. Northern Indiana gardeners should plan around a Apr 25 - May 10 last frost, while those in Southern Indiana can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Cilantro Growing Guide National planting guide with all states Indiana Planting Calendar All plants for Indiana Cilantro in Alabama Alabama planting dates Cilantro in Alaska Alaska planting dates Cilantro in Arizona Arizona planting dates Cilantro in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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