When to Plant Mustard in River Forest, IL

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.

You can estimate when you can plant mustard in River Forest by checking out the USDA zone info.


Planting Calendar for Mustard

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

Since mustard are not cold tolerant you have to wait until after the last frost before you can plant them.

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

The earliest that you can plant mustard in River Forest 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 mustard and expect a good harvest is probably August. Any later than that and your mustard may not have a chance to really do well. You can get started a few weeks earlier by starting your mustard indoors.

Last Frost Date

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

Since the USDA zone info for River Forest is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in River Forest there is a last frost after April 15 be ready to protect your mustard in the event of a late frost.

USDA Zone Info for River Forest

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 River Forest

You may be interested in your other planting guides for River Forest.