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When to Plant Chinese celery in Grinnell, IA

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

You should be able to figure out when it's a good idea to plant chinese celery by checking out the USDA zone info for Grinnell.


Planting Calendar for Chinese celery

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

Chinese celery do ok in moderate cold which tells us that you can start planting them slightly earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant chinese celery
Possibly ok, but a risky time to plant chinese celery
Probably not a good time to plant chinese celery

The earliest that you can plant chinese celery in Grinnell 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 chinese celery and expect a good harvest is probably August. If you wait any later than that and your chinese celery may not have a chance to fully mature. If you are starting your chinese celery indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Grinnell the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Always keep in mind that USDA zone info for Grinnell is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Grinnell you get surprised by a frost after April 15 so always be ready to protect your chinese celery in the event of a surprise late frost.

USDA Zone Info for Grinnell

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

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

Plants to Grow in Grinnell

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