When to Plant Firebush in Jefferson, WI

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant firebush in Jefferson should be figured out by referring to 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.

You should not plant firebush until after the last frost when the weather gets warmer because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant firebush
Possibly ok, but a risky time to plant firebush
Probably not a good time to plant firebush

The earliest that you can plant firebush in Jefferson 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. If you wait 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

In Jefferson the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Jefferson is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Jefferson you get surprised by a frost after April 15 be ready to cover your firebush in the event of one of those late frosts.

USDA Zone Info for Jefferson

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 Jefferson

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