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 best time to plant field peas in Rock Island should be determined 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.

You can plant field peas a little earlier in the year because they do well in moderate cold.

The earliest that you can plant field peas in Rock Island 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

The average date of last frost is April 15 in Rock Island. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Rock Island is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Rock Island you get surprised by a frost after April 15 so be sure to be ready to cover your field peas if you have a surprise late frost.

USDA Zone Info for Rock Island

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 Rock Island

You may be interested in your other planting guides for Rock Island.