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.

The USDA zone info for Marshall should be used to estimate when to plant field peas.

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 one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant field peas in Marshall 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 really do well. You can get started a few weeks earlier by starting your field peas indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Marshall. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Marshall is just an average the actual date of last frost changes from year to year. Half of the time in Marshall it frosts late in the year after May 15 so be sure to be ready to cover your field peas if you have one of those late frosts.

USDA Zone Info for Marshall

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 Marshall

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