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.

In Dover you can estimate when it's possible to plant firebush by reviewing the USDA zone info.

Planting Calendar for Firebush

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

It's probably a bad idea to plant firebush until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant firebush in Dover 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. If you are starting your firebush indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Dover. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Dover may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Dover there is a last frost after April 15 so just be sure to be ready to cover your firebush in the event of one of those late frosts.

USDA Zone Info for Dover

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Dover

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