One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when to plant brunfelsia in Glen Ellyn by looking at the USDA zone info.

Planting Calendar for Brunfelsia

Frost tolerance for brunfelsia:	Not tolerant of frost.
When to plant:	After the last frost.

Since brunfelsia require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant brunfelsia in Glen Ellyn 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 grow to maturity. Starting your brunfelsia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Glen Ellyn. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Glen Ellyn is just an average the actual date of last frost is different every year. Half of the time in Glen Ellyn there is a last frost after April 15 so just be sure to be ready to cover your brunfelsia if you have a late frost.

USDA Zone Info for Glen Ellyn

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 Glen Ellyn

You may be interested in your other planting guides for Glen Ellyn.