One of the best tools that you have as gardeners to help us figure out 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.

By looking at the USDA zone info for Yorkville it's a good idea to determine when 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.

Since field peas are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant field peas in Yorkville 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. Starting your field peas indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Yorkville. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Yorkville and it can change quite a bit from year to year. Half of the time in Yorkville it frosts late in the year after April 15 so make sure that you are ready to protect your field peas in the event of a late frost.

USDA Zone Info for Yorkville

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 Yorkville

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