If you're looking to grow turnips in New York, understanding the local frost dates is key to a successful harvest. For example, in Zone 7a, the median last spring frost date is April 1, while in Zone 5b, you should be prepared for that last frost by May 5. Turnips are a versatile cool-season crop that thrive even when temperatures drop—in fact, they become sweeter after a frost.
Turnips are often overlooked, but they are not only fast-growing but also packed with flavor and nutrition. With a frost-free season lasting around 230 days in some areas of New York, it's beneficial to know when to directly sow your seeds. Whether you're in Buffalo or New York City, make sure to time your planting correctly for the best quality harvest.
With the right planning, you can enjoy fresh turnips in two different seasons—spring and fall. Gardeners in New York should take advantage of the turnip's adaptability, using the late summer months to sow seeds where you have space after clearing early summer crops. Remember, timing is everything when it comes to growing this underrated vegetable!
| Zone | Indoor start | Transplant out | Direct sow | Harvest |
|---|---|---|---|---|
| Zone 7a | Not recommended — direct sow only. | Not recommended — direct sow only. | Sow seeds March 15 – April 15, ~2 weeks after April 1. | Harvest from June 1 – July 15 for spring crops, and from October 1 – November 15 for fall crops. |
| Zone 5b | Not recommended — direct sow only. | Not recommended — direct sow only. | Sow seeds from April 15 – May 15, ~1 week after May 5. | Harvest from August 15 – September 30 for spring crops, and from October 15 – November 30 for fall crops. |
| Zone 6b | Not recommended — direct sow only. | Not recommended — direct sow only. | Sow seeds March 25 – April 25, ~2 weeks after April 11. | Harvest from June 15 – July 30 for spring crops, and from September 15 – October 30 for fall crops. |
If you find yourself in a colder microclimate, consider starting your turnips as soon as the soil can be worked. Utilize raised beds to warm the soil faster and start harvesting earlier.
You can still plant turnips in May, particularly in the warmer zones of New York. However, they will likely be more successful if sown in late March to early April. Be mindful of the growing season.
In New York, turnips are susceptible to pests like aphids and root maggots. Regularly inspect your plants and consider planting companions that keep these pests at bay, such as onions or garlic.
Harvest turnips when they reach about 2–3 inches in diameter; this is when they are best in flavor and texture. Bigger roots can taste tough and pithy, so don’t wait too long.
Absolutely! Turnip greens are nutritious and can be enjoyed in various dishes. Start harvesting them when the plants are about 4–6 weeks old, using the outer leaves for cooking.
Typical fall sowing window for Turnip in New York: September 12 – October 3.