One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Ankeny you can figure out when it's the best time 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.

You can plant foxglove a little 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 Ankeny 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. Any later than that and your foxglove may not have a chance to fully mature. Starting your foxglove indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Ankeny. It might get as low as -20°F during the coldest months of winter.

Always keep in mind that USDA zone info for Ankeny is just an average and the actual date of last frost changes from year to year. Half of the time in Ankeny it frosts late in the year after April 15 so make sure that you are ready to protect your foxglove if you have one of those late frosts.

USDA Zone Info for Ankeny

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Ankeny

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