Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when it's a good idea to plant brunfelsia by reviewing the USDA zone info for Sierra Vista.

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 all chance of frost has passed because they require warm weather.

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

The last month that you can plant brunfelsia and expect a good harvest is probably August. 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

On average the last frost has passed is on March 15 in Sierra Vista. It might get as low as 15°F during the coldest months of winter.

Remember that USDA zone info for Sierra Vista may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Sierra Vista you get a frost after March 15 so make sure that you are ready to protect your brunfelsia if you have one of those late frosts.

USDA Zone Info for Sierra Vista

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 Sierra Vista

You may be interested in your other planting guides for Sierra Vista.