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.

A way of figuring out when it's possible to plant firebush is to look at the USDA zone info for Baltimore.

Planting Calendar for Firebush

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

Firebush do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant firebush in Baltimore 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 grow to maturity. You can get started a little bit earlier by starting your firebush indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Baltimore. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Baltimore is an average the actual date of last frost will vary from year to year. Half of the time in Baltimore there is a last frost after April 15 so just be sure to be ready to cover your firebush if you have a surprise late frost.

USDA Zone Info for Baltimore

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Baltimore

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