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 first chance to plant armeria in Louisville should be estimated by looking at the USDA zone info.

Planting Calendar for Armeria

Frost tolerance for armeria:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Armeria do well in pretty solid cold which means that you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant armeria in Louisville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant armeria and expect a good harvest is probably September. If you wait any later than that and your armeria may not have a chance to fully mature. You can get started a few weeks earlier by starting your armeria indoors.

Last Frost Date

On average the last frost is on March 15 in Louisville. In the coldest months of winter you should expect an average low temperature of 10°F.

Always keep in mind that USDA zone info for Louisville is just an average and the actual date of last frost will vary from year to year. Half of the time in Louisville you get surprised by a frost after March 15 so just be sure to be ready to protect your armeria 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.