One of the first steps you take when you are making a decision about 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.

The USDA zone info for Marseilles should be used to estimate when it's a good idea to plant celery.

Planting Calendar for Celery

Frost tolerance for celery:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Celery are barely cold tolerant which means that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant celery in Marseilles is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant celery and expect a good harvest is probably August. If you wait any later than that and your celery may not have a chance to really do well. You can get started a few weeks earlier by starting your celery indoors.

Last Frost Date

On average the last frost is on April 15 in Marseilles. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Marseilles is not always accurate and the actual date of last frost changes from year to year. Half of the time in Marseilles you get a frost after April 15 so make sure that you are ready to protect your celery in the event of one of those late frosts.

USDA Zone Info for Marseilles

Here is the info for USDA Zone 5b.

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

Plants to Grow in Marseilles

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