One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for La Crosse should be used to estimate when you can plant ajuga.

Planting Calendar for Ajuga

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

Since ajuga are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant ajuga in La Crosse 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. If you wait any later than that and your ajuga may not have a chance to grow to maturity. You can get started a little bit earlier by starting your ajuga indoors.

Last Frost Date

On average the last frost has passed is on May 15 in La Crosse. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for La Crosse may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in La Crosse last frost occurs after May 15 so be sure to be ready to protect your ajuga in the event of a surprise late frost.

USDA Zone Info for La Crosse

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 La Crosse

You may be interested in your other planting guides for La Crosse.