Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Oregon City it's a good idea to determine when you can plant melons.

Planting Calendar for Melons

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

Melons do not do well in cold weather which tells us that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant melons in Oregon City 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. If you wait any later than that and your melons may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your melons indoors.

Last Frost Date

In Oregon City the average date of last frost happens on March 15. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Oregon City is an average the actual date of last frost changes from year to year. Since half of the time in Oregon City it frosts late in the year after March 15 be ready to protect your melons in the event of a surprise late frost.

USDA Zone Info for Oregon City

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Oregon City

You may be interested in your other planting guides for Oregon City.