When can I plant Ajuga in Zone 1b

Before planting it is a good idea to find our USDA Zone info to figure out our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

By referring to the USDA zone info for Zone 1b you will be able to determine when to plant ajuga.


Planting Calendar for Ajuga

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

Ajuga are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them a quite a bit earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant ajuga
Possibly ok, but a risky time to plant ajuga
Probably not a good time to plant ajuga

The earliest that you can plant ajuga in Zone 1b is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant ajuga and expect a good harvest is probably July. Any later than that and your ajuga may not have a chance to fully mature. 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

The average date of last frost is June 15 in Zone 1b. In the coldest months of winter we should expect an average low temperature of -55°F.

Always keep in mind that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 1b and it changes from year to year. Half of the time in Zone 1b we get surprised by a frost after June 15 so always be ready to protect your ajuga in the event of one of those late frosts.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in our other planting guides for Zone 1b.