When to Plant Pumpkins in Red Oak, IA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant pumpkins in Red Oak can be estimated by referring to the USDA zone info.

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Planting Calendar for Pumpkins

Frost tolerance for pumpkins: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since pumpkins are not cold tolerant it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant pumpkins in Red Oak 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 pumpkins and expect a good harvest is probably August. Any later than that and your pumpkins may not have a chance to really do well. If you are starting your pumpkins indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Red Oak the average date of last frost happens on April 15. You should expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that USDA zone info for Red Oak may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Red Oak you get surprised by a frost after April 15 be ready to protect your pumpkins if you have one of those late frosts.

USDA Zone Info for Red Oak

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 Red Oak

You may be interested in your other planting guides for Red Oak.