Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when you can plant ajuga by using the USDA zone info for Harvey.

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 weather which means that you can plant them quite a bit earlier in the year than more sensitive plants.

The earliest that you can plant ajuga in Harvey 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 grow to maturity. You can get started a couple of weeks earlier by starting your ajuga indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Harvey. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Harvey is not always accurate the actual date of last frost will vary from year to year. Half of the time in Harvey there is a last frost after April 15 so make sure that you are prepared to cover your ajuga in the event of a surprise late frost.

USDA Zone Info for Harvey

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Harvey

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