One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for New Ulm can be read to figure out when to plant carrots.

Planting Calendar for Carrots

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

Carrots tend to make it in mild cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant carrots in New Ulm 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. Any later than that and your carrots may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your carrots indoors.

Last Frost Date

On average the last frost is on May 15 in New Ulm. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for New Ulm may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in New Ulm you get a frost after May 15 be ready to cover your carrots if you have a late frost.

USDA Zone Info for New Ulm

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 New Ulm

You may be interested in your other planting guides for New Ulm.