Perennial Flower

When to Plant Black-Eyed Susans in Kentucky

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

The Short Answer

In Kentucky, plant black-eyed susans based on your regional frost dates. Northern Kentucky has a last frost around Apr 15 - May 1, while Western Kentucky sees frost end around Apr 5 - Apr 20. Mild, four-season climate. Adequate rainfall. Hot, humid summers. Good growing season.

Kentucky Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Kentucky 6a, 6b Apr 15 - May 1 Oct 5 - Oct 20
Central Kentucky 6b Apr 10 - Apr 25 Oct 10 - Oct 25
Western Kentucky 6b, 7a Apr 5 - Apr 20 Oct 15 - Nov 1

Black-Eyed Susans Planting Schedule for Kentucky

Northern Kentucky (Zones 6a, 6b)

Average last frost: Apr 15 - May 1 · Average first frost: Oct 5 - Oct 20

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

Central Kentucky (Zones 6b)

Average last frost: Apr 10 - Apr 25 · 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

Western Kentucky (Zones 6b, 7a)

Average last frost: Apr 5 - Apr 20 · 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 Kentucky

Black-Eyed Susans in Kentucky'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 Kentucky

Clay soils over limestone bedrock. Naturally alkaline. Good for many vegetables with amendment. Excellent for root crops in some areas.

Kentucky Climate & Growing Season

Mild, four-season climate. Adequate rainfall. Hot, humid summers. Good growing season. Black-Eyed Susans can handle frost well, which is an advantage in Kentucky's climate. You can push planting dates earlier in spring and extend into fall.

Growing season length varies across Kentucky: Northern Kentucky (6a, 6b) has a last frost around Apr 15 - May 1, while Western Kentucky (6b, 7a) sees frost end around Apr 5 - Apr 20. 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 Kentucky, but your exact planting dates depend on which region you're in. Northern Kentucky gardeners should plan around a Apr 15 - May 1 last frost, while those in Western Kentucky 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 Kentucky Planting Calendar All plants for Kentucky 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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