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.

In Davis you can estimate when it's the best time to plant brunfelsia by checking out the USDA zone info.

Planting Calendar for Brunfelsia

Frost tolerance for brunfelsia:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably a bad idea to plant brunfelsia until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant brunfelsia in Davis is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant brunfelsia and expect a good harvest is probably September. Any later than that and your brunfelsia may not have a chance to grow to maturity. If you are starting your brunfelsia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Davis. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Davis is an average and the actual date of last frost will vary from year to year. Half of the time in Davis there is a last frost after February 15 so be sure to be ready to protect your brunfelsia if you have a surprise late frost.

USDA Zone Info for Davis

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 Davis

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