When can I plant Firebush in Zone 1b

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

It's possible to estimate when it's possible to plant firebush by using the USDA zone info for Zone 1b.


Planting Calendar for Firebush

Frost tolerance for firebush: Not tolerant of frost.
When you should plant them: After the last frost.

Firebush are not cold tolerant which means that you need to wait until it warms up after all chance of frost has passed before you can plant them.

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 Zone 1b is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant firebush and expect a good harvest is probably July. If you wait any later than that and your firebush may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your firebush indoors.

Last Frost Date

The average date of last frost is June 15 in Zone 1b. It might get as low as -55°F during the coldest months of winter.

It's important to remember that our actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 1b and it will vary from year to year. Half of the time in Zone 1b we get a frost after June 15 so just be sure to be ready to protect your firebush if we have a surprise late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in our other planting guides for Zone 1b.