Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for North Branch it's a good idea to determine when it's possible to plant foxglove.

Planting Calendar for Foxglove

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

Foxglove do well in mild cold which means that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant foxglove in North Branch 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 foxglove and expect a good harvest is probably August. If you wait any later than that and your foxglove may not have a chance to fully mature. You can get started a few weeks earlier by starting your foxglove indoors.

Last Frost Date

On average the last frost is on May 15 in North Branch. It might get as low as -30°F during the coldest months of winter.

Always keep in mind that USDA zone info for North Branch is just an average and the actual date of last frost changes from year to year. Since half of the time in North Branch you get a frost after May 15 be ready to cover your foxglove in the event of a surprise late frost.

USDA Zone Info for North Branch

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in North Branch

You may be interested in your other planting guides for North Branch.