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.

The best time to plant celeriac in Ithaca can be figured out by reviewing 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 do well in moderate cold you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant celeriac in Ithaca 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 fully mature. You can get started a few weeks earlier by starting your celeriac indoors.

Last Frost Date

The average date of last frost is April 15 in Ithaca. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Ithaca is not always accurate and the actual date of last frost is different every year. Half of the time in Ithaca there is a last frost after April 15 so make sure that you are prepared to protect your celeriac if you have one of those late frosts.

USDA Zone Info for Ithaca

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 Ithaca

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