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.

In San Marino you can estimate when it's possible to plant brunfelsia by referring to the USDA zone info.

Planting Calendar for Brunfelsia

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

Since brunfelsia do not do well in cold weather it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

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

Last Frost Date

In San Marino the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Remember that USDA zone info for San Marino is an average and the actual date of last frost will vary from year to year. Since half of the time in San Marino there is a last frost after January 31 be ready to protect your brunfelsia if you have one of those late frosts.

USDA Zone Info for San Marino

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Marino

You may be interested in your other planting guides for San Marino.