Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant foxglove in Grand Terrace can be figured out by using 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 are moderately cold tolerant which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant foxglove in Grand Terrace 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 fully mature. 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 Grand Terrace. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Grand Terrace is not always accurate the actual date of last frost is different every year. Half of the time in Grand Terrace it frosts late in the year after February 15 so always be ready to protect your foxglove if you have one of those late frosts.

USDA Zone Info for Grand Terrace

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 Grand Terrace

You may be interested in your other planting guides for Grand Terrace.