One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Springfield should be used to determine when it's possible to plant brunfelsia.

Planting Calendar for Brunfelsia

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

Since brunfelsia are not cold tolerant it is necessary 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 Springfield 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. You can get started a couple of weeks earlier by starting your brunfelsia indoors.

Last Frost Date

The average date of last frost is April 15 in Springfield. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Springfield is just an average and the actual date of last frost changes from year to year. Half of the time in Springfield you get surprised by a frost after April 15 so just be sure to be ready to protect your brunfelsia if you have one of those late frosts.

USDA Zone Info for Springfield

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Springfield

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