One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when to plant ajuga is to look at the USDA zone info for Laurel.

Planting Calendar for Ajuga

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

Ajuga are very cold tolerant which means that you can plant them much earlier than more sensitive plants.

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

The last month that you can plant ajuga and expect a good harvest is probably August. Any later than that and your ajuga may not have a chance to really do well. If you are starting your ajuga indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Laurel the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Laurel may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Laurel last frost occurs after May 15 so make sure that you are prepared to protect your ajuga if you have a late frost.

USDA Zone Info for Laurel

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Laurel

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