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.

The USDA zone info for Colleyville can be reffered to in order to figure out when it's a good idea to plant ajuga.

Planting Calendar for Ajuga

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

Ajuga do well in cold which tells us that you can plant them a quite a bit earlier than more sensitive plants.

The earliest that you can plant ajuga in Colleyville 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. If you wait any later than that and your ajuga may not have a chance to fully mature. You can get started a few weeks earlier by starting your ajuga indoors.

Last Frost Date

The average date of last frost is March 15 in Colleyville. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Colleyville is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Colleyville you get a frost after March 15 so make sure that you are prepared to protect your ajuga if you have a surprise late frost.

USDA Zone Info for Colleyville

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 Colleyville

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