When to Plant Turnips in Connecticut
A fast-growing, cold-hardy root crop that's underappreciated. Both the root and the greens are delicious.
The Short Answer
Connecticut Frost Dates
Your planting dates depend on which part of Connecticut you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Connecticut | 5b, 6a | May 1 - May 15 | Sep 25 - Oct 10 |
| Coastal Connecticut | 6b, 7a | Apr 15 - May 1 | Oct 10 - Oct 25 |
Turnips Planting Schedule for Connecticut
Northern Connecticut (Zones 5b, 6a)
Average last frost: May 1 - May 15 · Average first frost: Sep 25 - Oct 10
Coastal Connecticut (Zones 6b, 7a)
Average last frost: Apr 15 - May 1 · Average first frost: Oct 10 - Oct 25
Growing Turnips in Connecticut
Turnips in Connecticut'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 Connecticut
Rocky New England soil common. Acidic in many areas. Raised beds popular for dealing with rocky ground. Loose, well-drained soil is especially important for turnips since the edible portion grows underground. If your soil is heavy clay, consider raised beds.
Connecticut Climate & Growing Season
Four distinct seasons. Maritime influence moderates coastal temperatures. Shorter growing season inland. Turnips can handle frost well, which is an advantage in Connecticut's climate. You can push planting dates earlier in spring and extend into fall.
Growing season length varies across Connecticut: Northern Connecticut (5b, 6a) has a last frost around May 1 - May 15, while Coastal Connecticut (6b, 7a) sees frost end around Apr 15 - May 1. 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