One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when you can plant fennel is to refer to the USDA zone info for Ansonia.

Planting Calendar for Fennel

Frost tolerance for fennel:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Fennel tend to make it in a bit of cold which tells us that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant fennel in Ansonia 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 fennel and expect a good harvest is probably September. Any later than that and your fennel may not have a chance to fully mature. You can get started a little bit earlier by starting your fennel indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Ansonia. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Ansonia may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Ansonia you get surprised by a frost after April 15 so always be ready to cover your fennel if you have a late frost.

USDA Zone Info for Ansonia

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 Ansonia

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