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

You should be able to figure out when you can plant pea by referring to the USDA zone info for Flagstaff.

Planting Calendar for Pea

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

Since pea do well in cold you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant pea in Flagstaff 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 pea and expect a good harvest is probably September. If you wait any later than that and your pea may not have a chance to grow to maturity. If you are starting your pea indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Flagstaff. You should expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Flagstaff and it changes from year to year. Since half of the time in Flagstaff you get a frost after April 15 be ready to cover your pea if you have a surprise late frost.

USDA Zone Info for Flagstaff

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Flagstaff

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