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.

The USDA zone info for Fort Collins should be read to determine when to plant brunfelsia.

Planting Calendar for Brunfelsia

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

It's probably a bad idea to plant brunfelsia until after the last frost because they do not do well in cold weather.

The earliest that you can plant brunfelsia in Fort Collins 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 really do well. You can get started a few weeks earlier by starting your brunfelsia indoors.

Last Frost Date

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

Since the USDA zone info for Fort Collins is not always accurate the actual date of last frost is different every year. Half of the time in Fort Collins it frosts late in the year after April 15 so always be ready to cover your brunfelsia in the event of one of those late frosts.

USDA Zone Info for Fort Collins

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 Fort Collins

You may be interested in your other planting guides for Fort Collins.