The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when you can plant hamelia is to examine the USDA zone info for Louisville.

Planting Calendar for Hamelia

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

Hamelia are not cold tolerant which tells us that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

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

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 -10°F.

Since the USDA zone info for Louisville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Louisville last frost occurs after April 15 so make sure that you are ready to cover your hamelia if you have a late frost.

USDA Zone Info for Louisville

Here is the info for USDA Zone 6a.

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

Plants to Grow in Louisville

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