One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's possible to plant foxglove by reviewing the USDA zone info for Indianapolis.

Planting Calendar for Foxglove

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

You can plant foxglove a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant foxglove in Indianapolis 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. If you wait any later than that and your foxglove may not have a chance to really do well. You can get started a little bit earlier by starting your foxglove indoors.

Last Frost Date

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

Since the USDA zone info for Indianapolis is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Indianapolis there is a last frost after April 15 so make sure that you are ready to protect your foxglove in the event of one of those late frosts.

USDA Zone Info for Indianapolis

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 Indianapolis

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