One of the best tools that you have as gardeners to help us estimate 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.

You should be able to determine when you can plant foxglove by referring to the USDA zone info for Yelm.

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 bit earlier in the year than more sensitive plants.

The earliest that you can plant foxglove in Yelm 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Yelm. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for Yelm is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Yelm it frosts late in the year after March 15 so make sure that you are prepared to cover your foxglove in the event of one of those late frosts.

USDA Zone Info for Yelm

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Yelm

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