When to Plant Melons in Forest Grove, OR

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Forest Grove can be reviewed to figure out when to plant melons.


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 tells us that you have to wait until it warms up after all chance of frost has passed 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 Forest Grove 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 fully mature. You can get started a few weeks earlier by starting your melons indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Forest Grove. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Forest Grove is an average the actual date of last frost is different every year. Half of the time in Forest Grove you get surprised by a frost after March 15 so always be ready to cover your melons if you have a late frost.

USDA Zone Info for Forest Grove

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 Low15°F
Highest Expected Low20°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 Forest Grove

You may be interested in your other planting guides for Forest Grove.