Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant neeps in Mattoon should be determined by looking at the USDA zone info.

Planting Calendar for Neeps

Frost tolerance for neeps:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably not a good idea to plant neeps until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant neeps in Mattoon 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 neeps and expect a good harvest is probably August. Any later than that and your neeps may not have a chance to fully mature. If you are starting your neeps indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Mattoon. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Mattoon may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Mattoon you get a frost after April 15 so be sure to be ready to cover your neeps in the event of one of those late frosts.

USDA Zone Info for Mattoon

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Mattoon

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