When to Plant Field Peas in Denison, IA

One of the first steps you take when you are determining 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.

The USDA zone info for Denison can be used 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 a little bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant field peas
Possibly ok, but a risky time to plant field peas
Probably not a good time to plant field peas

The earliest that you can plant field peas in Denison 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. Any later than that and your field peas may not have a chance to grow to maturity. Starting your field peas indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Denison. In the coldest months of winter you can expect an average low temperature of -20°F.

Remember that USDA zone info for Denison is just an average and the actual date of last frost is different every year. Half of the time in Denison last frost occurs after April 15 so make sure that you are prepared to protect your field peas in the event of a surprise late frost.

USDA Zone Info for Denison

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 Denison

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