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.

One way of getting a good idea when it's a good idea to plant brunfelsia is to look at the USDA zone info for Pontiac.

Planting Calendar for Brunfelsia

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

You really shouldn't 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 Pontiac 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. Any later than that and your brunfelsia may not have a chance to really do well. 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

The average date of last frost is April 15 in Pontiac. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Pontiac is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Pontiac there is a last frost after April 15 so make sure that you are ready to protect your brunfelsia in the event of a late frost.

USDA Zone Info for Pontiac

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 Pontiac

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