The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Seattle you can estimate when you can plant peas by using the USDA zone info.

Planting Calendar for Peas

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

Peas do ok in cold weather which tells us that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant peas in Seattle 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. If you wait any later than that and your peas may not have a chance to really do well. Starting your peas indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Seattle the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Seattle is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Seattle there is a last frost after March 15 be ready to cover your peas if you have a late frost.

USDA Zone Info for Seattle

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Seattle

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