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.

By checking out the USDA zone info for Riverbank it's a good idea to determine when to plant brunfelsia.

Planting Calendar for Brunfelsia

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

You should not plant brunfelsia until after the last frost has passed because they are not cold tolerant.

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

Last Frost Date

On average the last frost is on February 15 in Riverbank. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Riverbank may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Riverbank you get surprised by a frost after February 15 be ready to protect your brunfelsia in the event of a late frost.

USDA Zone Info for Riverbank

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 Riverbank

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