When to Plant Peanut in Washington, IL

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's a good idea to plant peanut is to examine the USDA zone info for Washington.


Planting Calendar for Peanut

Frost tolerance for peanut: Not tolerant of frost.
When to plant: After the last frost has passed.

Since peanut are not cold tolerant it is important to wait until after the last frost before you can plant them.

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

The earliest that you can plant peanut in Washington is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant peanut and expect a good harvest is probably August. You probably don't want to wait any later than that or else your peanut may not have a chance to really do well. If you are starting your peanut indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Washington the average date of last frost happens on April 15. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Washington is not always accurate the actual date of last frost is different every year. Half of the time in Washington you get surprised by a frost after April 15 so be sure to be ready to cover your peanut in the event of a surprise late frost.

USDA Zone Info for Washington

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 Washington

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