When can I plant Peas in Evanston, IL

The USDA Zone info is a great tool for gardeners to help us estimate our gardening schedule. 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 read to determine when it's the best time to plant peas.


Planting Calendar for Peas

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

Peas are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them a quite a bit earlier than other frost tender plants.

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

The earliest that you can plant peas 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 peas and expect a good harvest is probably September. If you wait any later than that and your peas may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your peas indoors.

Last Frost Date

In Evanston the average date of last frost happens on April 15. In the coldest months of winter we can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Evanston may not be accurate from year to year and our actual date of last frost changes from year to year. Since half of the time in Evanston it frosts late in the year after April 15 be ready to protect your peas in the event of 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.