One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Winona you should be able to figure out 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 moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant field peas in Winona 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 few weeks earlier by starting your field peas indoors.

Last Frost Date

The average date of last frost is May 15 in Winona. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Winona is not always accurate the actual date of last frost is different every year. Since half of the time in Winona last frost occurs after May 15 be ready to cover your field peas if you have a surprise late frost.

USDA Zone Info for Winona

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 Winona

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