When to Plant Pea in Downers Grove, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when to plant pea in Downers Grove by checking out the USDA zone info.


Planting Calendar for Pea

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

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

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

The earliest that you can plant pea in Downers Grove 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 pea and expect a good harvest is probably September. If you wait any later than that and your pea may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your pea indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Downers Grove. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Downers Grove may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Downers Grove last frost occurs after April 15 be ready to cover your pea if you have one of those late frosts.

USDA Zone Info for Downers Grove

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 Downers Grove

You may be interested in your other planting guides for Downers Grove.