One of the first steps you take when you are determining 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 best time to plant ajuga in Brookfield should be figured out by referring to 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.

You can plant ajuga earlier in the year because they are very cold tolerant.

The earliest that you can plant ajuga in Brookfield 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. You can get started a little bit earlier by starting your ajuga indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Brookfield. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Brookfield is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Brookfield last frost occurs after April 15 so make sure that you are prepared to cover your ajuga in the event of a late frost.

USDA Zone Info for Brookfield

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 Brookfield

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