One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant pea in Rock Springs should be estimated by using the USDA zone info.

Planting Calendar for Pea

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

Pea are very cold tolerant which means that you can get them planted much earlier than other plants that might not handle the cold.

The earliest that you can plant pea in Rock Springs 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. Any later than that and your pea may not have a chance to really do well. You can get started a few weeks earlier by starting your pea indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Rock Springs. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Rock Springs is an average the actual date of last frost changes from year to year. Half of the time in Rock Springs you get a frost after April 15 so make sure that you are prepared to cover your pea if you have a late frost.

USDA Zone Info for Rock Springs

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rock Springs

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