Before planting it is a good idea to find your USDA Zone info to determine 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.

It's possible to estimate when it's a good idea to plant ajuga by referring to the USDA zone info for Hudson.

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 much earlier in the year because they do well in cold.

The earliest that you can plant ajuga in Hudson 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 fully mature. You can get started a couple of weeks earlier by starting your ajuga indoors.

Last Frost Date

In Hudson the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Hudson is not always accurate and the actual date of last frost is different every year. Half of the time in Hudson it frosts late in the year after April 15 so just be sure to be ready to cover your ajuga if you have a surprise late frost.

USDA Zone Info for Hudson

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 Hudson

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