Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when you can plant carrots is to check out the USDA zone info for Sheldon.

Planting Calendar for Carrots

Frost tolerance for carrots:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Carrots are moderately cold tolerant which tells us that you can start planting them earlier than more sensitive plants.

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

The last month that you can plant carrots and expect a good harvest is probably August. You probably don't want to wait any later than that or else your carrots may not have a chance to fully mature. If you are starting your carrots indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Sheldon. In the coldest months of winter you should expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Sheldon is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Sheldon there is a last frost after May 15 be ready to protect your carrots if you have a surprise late frost.

USDA Zone Info for Sheldon

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Sheldon

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