When to Plant Watermelon in Rochester, MI

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when you can plant watermelon is to refer to the USDA zone info for Rochester.


Planting Calendar for Watermelon

Frost tolerance for watermelon: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Watermelon are not cold tolerant which means that it's important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

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

Last Frost Date

The average date of last frost is April 15 in Rochester. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Rochester is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Rochester last frost occurs after April 15 be ready to protect your watermelon in the event of one of those late frosts.

USDA Zone Info for Rochester

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Rochester

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