When to Plant Turnips in Zone 3a

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Zone 3a it's a good idea to figure out when it's a good idea to plant turnips.

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Planting Calendar for Turnips

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

You should not plant turnips until after the last frost when the weather gets warmer because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant turnips
Possibly ok, but a risky time to plant turnips
Probably not a good time to plant turnips

The earliest that you can plant turnips in Zone 3a is May. However, you really should wait until June 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. You probably don't want to wait any later than that or else your turnips may not have a chance to fully mature. If you are starting your turnips indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Zone 3a. It might get as low as -40°F during the coldest months of winter.

It's important to remember that USDA zone info for Zone 3a is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Zone 3a you get a frost after May 15 so make sure that you are ready to protect your turnips in the event of one of those late frosts.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in your other planting guides for Zone 3a.