When to Plant Cantaloupes in Glenwood, IA

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

The first opportunity to plant cantaloupes in Glenwood can be figured out by reviewing the USDA zone info.


Planting Calendar for Cantaloupes

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

You should not plant cantaloupes until after all chance of frost has passed because they are not cold tolerant.

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

The earliest that you can plant cantaloupes in Glenwood 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 cantaloupes and expect a good harvest is probably August. Any later than that and your cantaloupes may not have a chance to really do well. You can get started a couple of weeks earlier by starting your cantaloupes indoors.

Last Frost Date

The average date of last frost is April 15 in Glenwood. In the coldest months of winter you can expect an average low temperature of -20°F.

Remember that USDA zone info for Glenwood is just an average and the actual date of last frost changes from year to year. Half of the time in Glenwood you get surprised by a frost after April 15 so make sure that you are ready to cover your cantaloupes if you have a surprise late frost.

USDA Zone Info for Glenwood

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 Glenwood

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