One of the first steps you take when you are making a decision about 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.

By reviewing the USDA zone info for Prospect Heights it's possible to estimate when it's the best time to plant field peas.

Planting Calendar for Field Peas

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

You can plant field peas a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant field peas in Prospect Heights 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 fully mature. You can get started a couple of weeks earlier by starting your field peas indoors.

Last Frost Date

In Prospect Heights the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Prospect Heights may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Prospect Heights it frosts late in the year after April 15 be ready to protect your field peas in the event of a surprise late frost.

USDA Zone Info for Prospect Heights

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 Prospect Heights

You may be interested in your other planting guides for Prospect Heights.