When to Plant Cantaloupes in Zone 5a

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to estimate when it's a good idea to plant cantaloupes by looking at the USDA zone info for Zone 5a.

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Planting Calendar for Cantaloupes

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

Cantaloupes are not cold tolerant which means that it is important to wait until it warms up after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
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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 Zone 5a 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 fully mature. 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 Zone 5a. You can expect an average low temperature of -20°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Zone 5a and it can change quite a bit from year to year. Half of the time in Zone 5a you get surprised by a frost after April 15 so make sure that you are prepared to cover your cantaloupes in the event of a surprise late frost.

USDA Zone Info for Zone 5a

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 Zone 5a

You may be interested in your other planting guides for Zone 5a.