When to Plant Field Peas in Willowbrook, IL

One of the best tools that you have as gardeners to help us estimate your 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 your area.

A common way of getting a good idea when it's the best time to plant field peas is to consult the USDA zone info for Willowbrook.


Planting Calendar for Field Peas

Frost tolerance for field peas: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Field Peas do well in a little bit of cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant field peas in Willowbrook 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 field peas and expect a good harvest is probably September. Any later than that and your field peas may not have a chance to really do well. If you are starting your field peas indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Willowbrook. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Willowbrook is an average the actual date of last frost changes from year to year. Half of the time in Willowbrook you get surprised by a frost after April 15 so be sure to be ready to protect your field peas in the event of a surprise late frost.

USDA Zone Info for Willowbrook

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 Willowbrook

You may be interested in your other planting guides for Willowbrook.