One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Yucca Valley you can figure out when you can plant campanula by referring to the USDA zone info.

Planting Calendar for Campanula

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

Campanula are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is March 15 in Yucca Valley. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Yucca Valley is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Yucca Valley there is a last frost after March 15 be ready to protect your campanula if you have a surprise late frost.

USDA Zone Info for Yucca Valley

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 Yucca Valley

You may be interested in your other planting guides for Yucca Valley.