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 Washington should be reffered to in order to figure out when it's a good idea to plant flowering maple.

Planting Calendar for Flowering Maple

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

It's not a good idea to plant flowering maple until after the last frost because they require warm weather.

The earliest that you can plant flowering maple 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 flowering maple and expect a good harvest is probably August. Any later than that and your flowering maple may not have a chance to fully mature. You can get started a little bit earlier by starting your flowering maple indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Washington. You can expect an average low temperature of 10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Washington is an average and the actual date of last frost will vary from year to year. Since half of the time in Washington last frost occurs after March 15 be ready to cover your flowering maple in the event of one of those late frosts.

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 Low	10°F
Highest Expected Low	15°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.