One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's a good idea to plant foxglove in Allegan by referring to 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.

Foxglove do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant foxglove in Allegan 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 really do well. You can get started a few weeks earlier by starting your foxglove indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Allegan may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Allegan you get a frost after April 15 so always be ready to cover your foxglove if you have a late frost.

USDA Zone Info for Allegan

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 Allegan

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