Perennial Flower

When to Plant Black-Eyed Susans in Indiana

Cheerful golden blooms that attract butterflies and tolerate drought. A backbone of the low-maintenance perennial garden.

The Short Answer

In Indiana, plant black-eyed susans based on your regional frost dates. Northern Indiana has a last frost around Apr 25 - May 10, while Southern Indiana sees frost end around Apr 10 - Apr 25. Four seasons. Hot, humid summers. Adequate rainfall for most crops. Occasional late spring frosts catch gardeners off...

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

Black-Eyed Susans Planting Schedule for Indiana

Northern Indiana (Zones 5b, 6a)

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

Start Seeds Indoors
6 wks before frost
Transplant Outside
1 wks after frost
Direct Sow
1 wks after frost

Central Indiana (Zones 6a, 6b)

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

Start Seeds Indoors
6 wks before frost
Transplant Outside
1 wks after frost
Direct Sow
1 wks after frost

Southern Indiana (Zones 6b)

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

Start Seeds Indoors
6 wks before frost
Transplant Outside
1 wks after frost
Direct Sow
1 wks after frost

Growing Black-Eyed Susans in Indiana

Black-Eyed Susans in Indiana's Climate

Black-eyed Susans grow wild along roadsides throughout the moderate zone — proof they need no help in your conditions. Goldsturm is the standard garden variety. Full sun produces the most flowers. Nearly maintenance-free once established.

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. Black-Eyed Susans can handle frost well, which is an advantage in Indiana's climate. You can push planting dates earlier in spring and extend into fall.

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 black-eyed susans — but black-eyed susans handle frost well, so the timing difference is less critical.

Growing Tips

Leave seed heads standing through winter for birds and visual interest. Self-seeds freely — deadhead if you don't want more.

Companion Planting

Plant black-eyed susans alongside these companions for better growth:

Coneflowers Ornamental Grasses

The Bottom Line

Black-Eyed Susans 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

Black-Eyed Susans Growing Guide National planting guide with all states Indiana Planting Calendar All plants for Indiana Black-Eyed Susans in Alabama Alabama planting dates Black-Eyed Susans in Alaska Alaska planting dates Black-Eyed Susans in Arizona Arizona planting dates Black-Eyed Susans 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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