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When to Plant Cardoon in Missouri

Cardoon is a large thistle relative of the artichoke, grown for its edible leaf stalks. It has dramatic silvery foliage and makes a striking ornamental as well.

Missouri spans USDA hardiness zones 7a (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Cardoon planting dates based on your local frost dates.

Cardoon Planting Calendar for Missouri

Zone 7a ~221 day growing season · Full guide →

Last frost: March 25 · First frost: November 1 · 221 day season

Activity When Date Range
Transplant Outdoors April 8 Apr 8 – Apr 22
Harvest August 12 Aug 12 – Sep 23

Growing Tips for Missouri

Blanch stalks by wrapping with cardboard or tying leaves together 3-4 weeks before harvest. Provide deep, rich soil and consistent moisture. Protect from hard frost.

Frequently Asked Questions

When should I plant Cardoon in Missouri?

Planting dates for Cardoon in Missouri depend on your USDA zone. Missouri spans zones 7a. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Missouri for planting?

Missouri contains USDA hardiness zones 7a. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.