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 opportunity to plant ajuga in Shelbyville can be figured out by referring to the USDA zone info.

Planting Calendar for Ajuga

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

Since ajuga are very cold tolerant you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant ajuga in Shelbyville 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 ajuga and expect a good harvest is probably September. Any later than that and your ajuga may not have a chance to fully mature. Starting your ajuga indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Shelbyville. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Shelbyville is just an average the actual date of last frost will vary from year to year. Since half of the time in Shelbyville it frosts late in the year after April 15 be ready to cover your ajuga if you have one of those late frosts.

USDA Zone Info for Shelbyville

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 Shelbyville

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