When to Plant Turnips in Indiana
A fast-growing, cold-hardy root crop that's underappreciated. Both the root and the greens are delicious.
The Short Answer
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 |
Turnips Planting Schedule for Indiana
Northern Indiana (Zones 5b, 6a)
Average last frost: Apr 25 - May 10 · Average first frost: Oct 1 - Oct 15
Central Indiana (Zones 6a, 6b)
Average last frost: Apr 15 - May 1 · Average first frost: Oct 10 - Oct 25
Southern Indiana (Zones 6b)
Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 15 - Nov 1
Growing Turnips in Indiana
Turnips in Indiana's Climate
Turnips fill the cool-season gaps beautifully. Spring and fall plantings both work well. Fall turnips taste noticeably sweeter after frost exposure. Quick maturity (35-60 days) makes them excellent for succession planting and filling gaps between main crops.
Soil Considerations for Indiana
Clay-heavy soils common statewide. Rich but can have drainage issues. Raised beds help with heavy clay. Loose, well-drained soil is especially important for turnips since the edible portion grows underground. If your soil is heavy clay, consider raised beds.
Indiana Climate & Growing Season
Four seasons. Hot, humid summers. Adequate rainfall for most crops. Occasional late spring frosts catch gardeners off guard. Turnips 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 turnips — but turnips handle frost well, so the timing difference is less critical.
Growing Tips
Great for spring and fall planting. Harvest small for tender roots. Fall-planted turnips taste sweeter after a frost.
Companion Planting
Plant turnips alongside these companions for better growth:
The Bottom Line
Last reviewed: March 29, 2026