One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Danbury you can determine when it's the best time to plant celeriac by referring to the USDA zone info.

Planting Calendar for Celeriac

Frost tolerance for celeriac:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since celeriac are moderately cold tolerant you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant celeriac in Danbury is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant celeriac and expect a good harvest is probably September. Any later than that and your celeriac may not have a chance to really do well. Starting your celeriac indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Danbury. In the coldest months of winter you should expect an average low temperature of -5°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Danbury and it can change quite a bit from year to year. Half of the time in Danbury last frost occurs after April 15 so just be sure to be ready to cover your celeriac in the event of a surprise 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.