The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant watermelon in Greeley should be estimated by referring to the USDA zone info.

Planting Calendar for Watermelon

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

You really shouldn't plant watermelon until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant watermelon in Greeley 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 fully mature. Starting your watermelon indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Greeley may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Greeley there is a last frost after April 15 be ready to protect your watermelon in the event of a surprise late frost.

USDA Zone Info for Greeley

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Greeley

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