One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 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.

You should not plant flowering maple until after all chance of frost has passed because they are not cold tolerant.

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. You probably don't want to wait any later than that or else 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 March 15 in Louisville. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Louisville is not always accurate the actual date of last frost will vary from year to year. Half of the time in Louisville you get a frost after March 15 so make sure that you are ready to protect your flowering maple in the event of one of those late frosts.

USDA Zone Info for Louisville

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 Louisville

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