Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant field peas in Crystal Lake can be figured out by referring to 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.

Since field peas are moderately cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant field peas in Crystal Lake 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. You probably don't want to wait any later than that or else 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 Crystal Lake. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Crystal Lake is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Crystal Lake you get a frost after April 15 be ready to protect your field peas if you have one of those late frosts.

USDA Zone Info for Crystal Lake

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 Crystal Lake

You may be interested in your other planting guides for Crystal Lake.