When to Plant Melons in Grand Rapids, MN

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.

You can figure out when to plant melons in Grand Rapids by checking out the USDA zone info.


Planting Calendar for Melons

Frost tolerance for melons: Not tolerant of frost.
When to plant: After the last frost has passed.

It's not a good idea to plant melons until after the last frost because they require warm weather.

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

The earliest that you can plant melons in Grand Rapids is May. However, you really should wait until June if you don't want to take any chances.

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

Last Frost Date

The average date of last frost is May 15 in Grand Rapids. It might get as low as -35°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Grand Rapids and it changes from year to year. Since half of the time in Grand Rapids it frosts late in the year after May 15 be ready to cover your melons if you have one of those late frosts.

USDA Zone Info for Grand Rapids

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-35°F
Highest Expected Low-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Grand Rapids

You may be interested in your other planting guides for Grand Rapids.