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

The USDA zone info for Fresno should be reffered to in order to determine when it's possible to plant foxglove.

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 means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant foxglove in Fresno is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant foxglove and expect a good harvest is probably October. If you wait any later than that and your foxglove may not have a chance to really do well. You can get started a couple of weeks earlier by starting your foxglove indoors.

Last Frost Date

The average date of last frost is February 15 in Fresno. It might get as low as 25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Fresno and it can change quite a bit from year to year. Half of the time in Fresno there is a last frost after February 15 so make sure that you are prepared to cover your foxglove if you have a surprise late frost.

USDA Zone Info for Fresno

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Fresno

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