If you're looking to plant turnips in Vermont, understanding the frost dates is crucial. With the median last spring frost occurring on May 8 and the first fall frost on October 3 in Zone 5b, timing your sowing is key to enjoying a bountiful harvest. Turnips thrive in cooler temperatures, making them perfect for the Vermont climate, as they tend to become sweeter after exposure to frost.
Turnips are one of the fastest-growing vegetables, typically maturing in just 30 to 60 days, and can be directly sown outdoors once the danger of frost has passed. In Vermont, plan to direct sow your turnip seeds right after the last frost date in early May. These cold-hardy vegetables not only produce edible roots but also offer nutritious greens that can be harvested early in the season.
The 148-day frost-free growing season in Vermont makes turnips an excellent choice for both spring and fall planting. As you plan your garden, consider succession planting by sowing turnips in late summer after you've harvested other crops. By extending your planting window, you can enjoy fresh turnips far into the cooler months, maximizing your garden's productivity.
| Zone | Indoor start | Transplant out | Direct sow | Harvest |
|---|---|---|---|---|
| Zone 5b | Not recommended — direct sow only | Not recommended — direct sow only | Direct sow from May 9 – June 15 for spring planting, and July 15 – August 1 for fall planting. | Harvest from July 15 – October 31, ideally for roots 2–3 inches in diameter. |
If you're in a colder area, be cautious with your planting dates. Ensure that frost-free dates align with your local conditions and consider using row covers to protect young seedlings from unexpected chills.
Yes, you can plant turnips directly in the ground starting May 9. Just be sure to check that the soil has warmed sufficiently and that there are no remaining frost risks in your area.
You should harvest your turnips when they reach about 2–3 inches in diameter. At this size, they are crunchy and flavorful. Delaying harvest beyond 4 inches can lead to tough and woody roots.
If your turnip greens become too large or start to bolt, it's time to harvest the outer leaves for culinary use. Regularly harvesting not only keeps plants productive but also enhances the flavor of the remaining greens.
Absolutely! Turnips make an excellent cover crop in the fall. You can sow them densely after summer crops are harvested, and use the greens for compost or till them under to improve soil fertility for next spring.
Typical fall sowing window for Turnip in Vermont: July 31 – August 21.