Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Ketchikan you should be able to estimate when it's the best time to plant flowering maple.

Planting Calendar for Flowering Maple

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

Flowering Maple require warm weather which tells us that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant flowering maple in Ketchikan 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. Starting your flowering maple indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Ketchikan. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Ketchikan is not always accurate the actual date of last frost changes from year to year. Since half of the time in Ketchikan there is a last frost after April 15 be ready to cover your flowering maple if you have a surprise late frost.

USDA Zone Info for Ketchikan

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Ketchikan

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