The USDA Zone info is a great tool for gardeners to help us estimate 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.

One way of estimating when it's a good idea to plant field peas is to examine the USDA zone info for Hyrum.

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 bit earlier in the year than other plants that might not handle the cold.

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

Last Frost Date

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

Since the USDA zone info for Hyrum is just an average the actual date of last frost is different every year. Since half of the time in Hyrum last frost occurs after April 15 be ready to protect your field peas if you have one of those late frosts.

USDA Zone Info for Hyrum

Here is the info for USDA Zone 5b.

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

Plants to Grow in Hyrum

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