The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when you can plant field peas by referring to the USDA zone info for Washington.

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 do well in moderate cold you can plant them a little earlier in the year than other frost tender plants.

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

Last Frost Date

On average the last frost is on March 15 in Washington. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Washington is an average the actual date of last frost changes from year to year. Since half of the time in Washington it frosts late in the year after March 15 be ready to protect your field peas in the event of a surprise late frost.

USDA Zone Info for Washington

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Washington

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