One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when to plant turnips by reviewing the USDA zone info for Huntsville.

Planting Calendar for Turnips

Frost tolerance for turnips:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since turnips require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant turnips in Huntsville is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant turnips and expect a good harvest is probably August. Any later than that and your turnips may not have a chance to really do well. You can get started a couple of weeks earlier by starting your turnips indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Huntsville. You can expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Huntsville is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Huntsville you get surprised by a frost after April 15 be ready to protect your turnips in the event of a late frost.

USDA Zone Info for Huntsville

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Huntsville

You may be interested in your other planting guides for Huntsville.