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

The earliest that you can plant firebush in Janesville should be figured out by reviewing the USDA zone info.

Planting Calendar for Firebush

Frost tolerance for firebush:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's not a good idea to plant firebush until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant firebush in Janesville 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 firebush and expect a good harvest is probably August. Any later than that and your firebush may not have a chance to fully mature. You can get started a little bit earlier by starting your firebush indoors.

Last Frost Date

The average date of last frost is April 15 in Janesville. In the coldest months of winter you should expect an average low temperature of -20°F.

It's important to remember that USDA zone info for Janesville is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Janesville you get surprised by a frost after April 15 be ready to cover your firebush in the event of a surprise late frost.

USDA Zone Info for Janesville

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Janesville

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