When can I plant Radishes in Evanston, IL

One of the best tools that we have as gardeners to help us figure out our 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 our area.

The USDA zone info for Evanston can be reffered to in order to determine when it's a good idea to plant radishes.


Planting Calendar for Radishes

Frost tolerance for radishes: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

Radishes are very cold tolerant which means that you can plant them much earlier than plants that are more sensitive to the cold.

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

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

The last month that you can plant radishes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your radishes may not have a chance to fully mature. You can get started a little bit earlier by starting your radishes indoors.

Last Frost Date

The average date of last frost is April 15 in Evanston. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Evanston is just an average and our actual date of last frost changes from year to year. Half of the time in Evanston it frosts late in the year after April 15 so make sure that you are ready to protect your radishes if we have one of those late frosts.

USDA Zone Info for Evanston

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Evanston

You may be interested in our other planting guides for Evanston.