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.

You will be able to estimate when it's the best time to plant flowering maple by referring to the USDA zone info for Oregon City.

Planting Calendar for Flowering Maple

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

Since flowering maple require warm weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant flowering maple 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 flowering maple and expect a good harvest is probably August. You probably don't want to wait any later than that or else your flowering maple may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your flowering maple indoors.

Last Frost Date

On average the last frost is on March 15 in Oregon City. In the coldest months of winter you should expect an average low temperature of 15°F.

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 you get surprised by a frost after March 15 be ready to cover your flowering maple in the event of a 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.