The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Flagstaff you can figure out when you can 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 has passed.

You should not plant brunfelsia until after all chance of frost has passed because they are not cold tolerant.

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

Last Frost Date

The average date of last frost is April 15 in Flagstaff. In the coldest months of winter you can expect an average low temperature of -10°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Flagstaff and it can change quite a bit from year to year. Half of the time in Flagstaff you get a frost after April 15 so just be sure to be ready to cover your brunfelsia in the event of a surprise late frost.

USDA Zone Info for Flagstaff

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Flagstaff

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