When to Plant Pumpkins in Whitewater, WI

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 pumpkins in Whitewater should be estimated by looking at the USDA zone info.


Planting Calendar for Pumpkins

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

Since pumpkins are not cold tolerant you need to wait until after all chance of frost has passed 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 Whitewater 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. You probably don't want to wait any later than that or else your pumpkins may not have a chance to really do well. You can get started a little bit earlier by starting your pumpkins indoors.

Last Frost Date

The average date of last frost is April 15 in Whitewater. It might get as low as -20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Whitewater is just an average and the actual date of last frost will vary from year to year. Since half of the time in Whitewater you get surprised by a frost after April 15 be ready to cover your pumpkins in the event of a surprise late frost.

USDA Zone Info for Whitewater

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 Whitewater

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