The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when you can plant digitalis by reviewing the USDA zone info for Carlsbad.

Planting Calendar for Digitalis

Frost tolerance for digitalis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Digitalis are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant digitalis in Carlsbad 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 digitalis and expect a good harvest is probably September. If you wait any later than that and your digitalis may not have a chance to fully mature. You can get started a little bit earlier by starting your digitalis indoors.

Last Frost Date

The average date of last frost is March 15 in Carlsbad. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Carlsbad is an average the actual date of last frost will vary from year to year. Half of the time in Carlsbad you get a frost after March 15 so always be ready to protect your digitalis in the event of a surprise late frost.

USDA Zone Info for Carlsbad

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 Carlsbad

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