When to Plant Asparagus lettuce in Mattoon, IL

One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

The best time to plant asparagus lettuce in Mattoon can be figured out by looking at the USDA zone info.


Planting Calendar for Asparagus lettuce

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

It's not a good idea to plant asparagus lettuce until after the last frost has passed because they require warm weather.

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

The earliest that you can plant asparagus lettuce 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 asparagus lettuce and expect a good harvest is probably August. Any later than that and your asparagus lettuce may not have a chance to really do well. Starting your asparagus lettuce indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Mattoon may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Mattoon you get surprised by a frost after April 15 so always be ready to cover your asparagus lettuce if you have a late frost.

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.