When to Plant Snow peas in River Forest, IL

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's the best time to plant snow peas by looking at the USDA zone info for River Forest.


Planting Calendar for Snow peas

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

You can plant snow peas earlier in the year because they do well in cold.

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

The earliest that you can plant snow peas in River Forest 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 snow peas and expect a good harvest is probably September. If you wait any later than that and your snow peas may not have a chance to really do well. If you are starting your snow peas indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In River Forest the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Remember that USDA zone info for River Forest is just an average and the actual date of last frost will vary from year to year. Half of the time in River Forest it frosts late in the year after April 15 so make sure that you are prepared to cover your snow peas in the event of one of those late frosts.

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.