When to Plant Squash in Osceola, IA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Osceola can be reffered to in order to figure out when it's the best time to plant squash.


Planting Calendar for Squash

Frost tolerance for squash: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Squash do not do well in cold weather which means that you really should wait until it warms up after the last frost before you can plant them.

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 Osceola 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. Any later than that and your squash may not have a chance to fully mature. Starting your squash indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Osceola. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Osceola is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Osceola you get a frost after April 15 be ready to protect your squash if you have a late frost.

USDA Zone Info for Osceola

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 Osceola

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