One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Warrenville you can estimate when it's a good idea to plant field peas by using the USDA zone info.

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 ok in some cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant field peas in Warrenville 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. If you wait any later than that and your field peas may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your field peas indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Warrenville may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Warrenville you get surprised by a frost after April 15 be ready to protect your field peas in the event of one of those late frosts.

USDA Zone Info for Warrenville

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 Warrenville

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