When to Plant Ajuga in Indiana, PA

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.

In Indiana you can figure out when you can plant ajuga by using the USDA zone info.


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 tells us that you can start planting them much earlier than more sensitive plants.

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 Indiana 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. Any later than that and your ajuga may not have a chance to grow to maturity. If you are starting your ajuga indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Indiana. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Indiana and it is different every year. Since half of the time in Indiana there is a last frost after April 15 be ready to protect your ajuga if you have a surprise late frost.

USDA Zone Info for Indiana

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°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 -5°F.

Plants to Grow in Indiana

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