One of the first steps you take when you are figuring out 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.

In Visalia you can determine when it's a good idea to plant foxglove by checking out 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 can survive in a little bit of cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant foxglove in Visalia 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. Any later than that and your foxglove may not have a chance to grow to maturity. 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 Visalia. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Visalia is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Visalia it frosts late in the year after February 15 so make sure that you are ready to protect your foxglove if you have one of those late frosts.

USDA Zone Info for Visalia

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 Visalia

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