When to Plant Ajuga in Zone 5b

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

By using the USDA zone info for Zone 5b it's possible to determine when it's possible to plant ajuga.

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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 get them planted much 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 5b 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. You probably don't want to wait any later than that or else your ajuga may not have a chance to really do well. You can get started a couple of weeks earlier by starting your ajuga indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Zone 5b. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Zone 5b is not always accurate and the actual date of last frost is different every year. Half of the time in Zone 5b it frosts late in the year after April 15 so just be sure to be ready to protect your ajuga if you have a surprise late frost.

USDA Zone Info for Zone 5b

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 Zone 5b

You may be interested in your other planting guides for Zone 5b.