The USDA Zone info is a great tool for gardeners to help us determine 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.

In Greenbelt you can determine when it's possible 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 just a bit earlier in the year than more sensitive plants.

The earliest that you can plant celeriac in Greenbelt 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. Starting your celeriac indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Greenbelt. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Greenbelt is an average the actual date of last frost is different every year. Since half of the time in Greenbelt you get a frost after April 15 be ready to cover your celeriac if you have a surprise late frost.

USDA Zone Info for Greenbelt

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Greenbelt

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