The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Danbury should be reviewed to figure out when it's possible to plant fanflower.

Planting Calendar for Fanflower

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

Since fanflower are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant fanflower in Danbury 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 fanflower and expect a good harvest is probably August. If you wait any later than that and your fanflower may not have a chance to really do well. You can get started a couple of weeks earlier by starting your fanflower indoors.

Last Frost Date

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

Since the USDA zone info for Danbury may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Danbury it frosts late in the year after April 15 so be sure to be ready to cover your fanflower if you have a late frost.

USDA Zone Info for Danbury

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 Danbury

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