The USDA Zone info is a great tool for gardeners to help us estimate 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.

A common way of getting a good idea when it's the best time to plant melons is to look at the USDA zone info for Walla Walla.

Planting Calendar for Melons

Frost tolerance for melons:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since melons are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant melons in Walla Walla 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. You can get started a little bit earlier by starting your melons indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Walla Walla. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Walla Walla is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Walla Walla you get a frost after April 15 be ready to cover your melons if you have one of those late frosts.

USDA Zone Info for Walla Walla

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Walla Walla

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