Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Louisville you can estimate when it's possible to plant flowering maple by referring to the USDA zone info.

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 really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant flowering maple in Louisville 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. If you wait 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 Louisville. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Louisville is just an average the actual date of last frost will vary from year to year. Since half of the time in Louisville you get surprised by a frost after April 15 be ready to protect your flowering maple if you have a surprise late frost.

USDA Zone Info for Louisville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Louisville

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