When can I plant Foxglove in Zone 3a

The USDA Zone info is a great tool for gardeners to help us determine our gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

In Zone 3a you can estimate when to plant foxglove by referring to the USDA zone info.


Planting Calendar for Foxglove

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

Since foxglove are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant foxglove
Possibly ok, but a risky time to plant foxglove
Probably not a good time to plant foxglove

The earliest that you can plant foxglove in Zone 3a 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 grow to maturity. You can get started a couple of weeks earlier by starting your foxglove indoors.

Last Frost Date

The average date of last frost is May 15 in Zone 3a. In the coldest months of winter we can expect an average low temperature of -40°F.

Keep in mind that our actual date of last frost is an average because it is based on the USDA zone info for Zone 3a and it is different every year. Since half of the time in Zone 3a last frost occurs after May 15 be ready to cover your foxglove if we have one of those late frosts.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in our other planting guides for Zone 3a.