When to Plant Squash in Grain Valley, MO

One of the best tools that you have as gardeners to help us estimate 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.

The first chance to plant squash in Grain Valley should be figured out by using the USDA zone info.


Planting Calendar for Squash

Frost tolerance for squash: Not tolerant of frost.
When to plant: After the last frost.

It's probably a bad idea to plant squash until after the last frost when the weather gets warmer because they require warm weather.

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

The earliest that you can plant squash in Grain Valley 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 squash and expect a good harvest is probably August. You probably don't want to wait any later than that or else your squash may not have a chance to fully mature. If you are starting your squash indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Grain Valley. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Grain Valley is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Grain Valley you get a frost after April 15 be ready to protect your squash if you have one of those late frosts.

USDA Zone Info for Grain Valley

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Grain Valley

You may be interested in your other planting guides for Grain Valley.