Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's possible to plant peas is to consult the USDA zone info for Prosser.

Planting Calendar for Peas

Frost tolerance for peas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since peas are very cold tolerant you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant peas in Prosser 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 peas and expect a good harvest is probably September. You probably don't want to wait any later than that or else your peas may not have a chance to really do well. You can get started a couple of weeks earlier by starting your peas indoors.

Last Frost Date

The average date of last frost is April 15 in Prosser. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Prosser is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Prosser it frosts late in the year after April 15 be ready to cover your peas in the event of one of those late frosts.

USDA Zone Info for Prosser

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Prosser

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