Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Marlin should be read to determine when you can plant celeriac.

Planting Calendar for Celeriac

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

Celeriac are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than more sensitive plants.

The earliest that you can plant celeriac in Marlin 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 few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Marlin. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Marlin is an average the actual date of last frost is different every year. Half of the time in Marlin you get a frost after March 15 so make sure that you are prepared to cover your celeriac if you have a surprise late frost.

USDA Zone Info for Marlin

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Marlin

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