One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Mount Washington you can determine when you can plant firebush by checking out the USDA zone info.

Planting Calendar for Firebush

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

Since firebush require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant firebush in Mount Washington 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 really do well. Starting your firebush indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Mount Washington. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Mount Washington is an average the actual date of last frost is different every year. Half of the time in Mount Washington you get surprised by a frost after April 15 so make sure that you are prepared to cover your firebush in the event of a late frost.

USDA Zone Info for Mount Washington

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 Mount Washington

You may be interested in your other planting guides for Mount Washington.