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.

The best time to plant field peas in Riverton can be estimated by looking at the USDA zone info.

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 are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant field peas in Riverton is March. However, you really should wait until April 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 August. You probably don't want to wait any later than that or else your field peas may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your field peas indoors.

Last Frost Date

In Riverton the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Riverton is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Riverton you get a frost after May 15 so just be sure to be ready to cover your field peas if you have one of those late frosts.

USDA Zone Info for Riverton

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Riverton

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