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.

In Algonac you can estimate when to plant foxglove by looking at the USDA zone info.

Planting Calendar for Foxglove

Frost tolerance for foxglove:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since foxglove do well in moderate cold you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant foxglove in Algonac 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 foxglove and expect a good harvest is probably September. You probably don't want to wait any later than that or else your foxglove may not have a chance to fully mature. If you are starting your foxglove indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Algonac. In the coldest months of winter you can expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Algonac may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Algonac last frost occurs after April 15 so just be sure to be ready to cover your foxglove in the event of a surprise late frost.

USDA Zone Info for Algonac

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 Algonac

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