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.

In Olmsted Falls you can estimate when it's possible to plant fennel by using the USDA zone info.

Planting Calendar for Fennel

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

Fennel do ok in pretty solid cold which means that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant fennel in Olmsted Falls 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 grow to maturity. Starting your fennel indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Olmsted Falls. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Olmsted Falls is an average the actual date of last frost will vary from year to year. Since half of the time in Olmsted Falls you get a frost after April 15 be ready to protect your fennel if you have a surprise late frost.

USDA Zone Info for Olmsted Falls

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Olmsted Falls

You may be interested in your other planting guides for Olmsted Falls.