When to Plant Melons in Washington, UT

One of the best tools that you have as gardeners to help us figure out 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.

You can determine when it's possible to plant melons in Washington 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.

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

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 Washington 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 melons and expect a good harvest is probably August. You probably don't want to wait any later than that or else your melons may not have a chance to really do well. Starting your melons indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Washington. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Washington is just an average and the actual date of last frost changes from year to year. Half of the time in Washington you get surprised by a frost after March 15 so always be ready to cover your melons in the event of a late frost.

USDA Zone Info for Washington

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low10°F
Highest Expected Low15°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 15°F.

Plants to Grow in Washington

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