The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Ridgecrest it's a good idea to determine when it's possible to plant digitalis.

Planting Calendar for Digitalis

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

Digitalis do well in some cold which tells us that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant digitalis in Ridgecrest 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. You probably don't want to wait any later than that or else your digitalis may not have a chance to really do well. Starting your digitalis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Ridgecrest. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Ridgecrest may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Ridgecrest there is a last frost after March 15 be ready to protect your digitalis in the event of a surprise late frost.

USDA Zone Info for Ridgecrest

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Ridgecrest

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