Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when it's the best time to plant brunfelsia is to check out the USDA zone info for Providence.

Planting Calendar for Brunfelsia

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

Since brunfelsia are not cold tolerant you need 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 Providence 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. If you are starting your brunfelsia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Providence the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Providence may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Providence last frost occurs after April 15 so make sure that you are ready to protect your brunfelsia if you have a surprise late frost.

USDA Zone Info for Providence

Here is the info for USDA Zone 5b.

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

Plants to Grow in Providence

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