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When to Plant Cardoon in Utah

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.

Utah spans USDA hardiness zones 8a (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.

Hover over a county to see details. Click to view planting guide.

Cardoon Planting Calendar for Utah

Zone 8a ~255 day growing season · Full guide →

Last frost: March 8 · First frost: November 18 · 255 day season

Activity When Date Range
Transplant Outdoors March 22 Mar 22 – Apr 5
Harvest July 26 Jul 26 – Sep 6

Growing Tips for Utah

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 Utah?

Planting dates for Cardoon in Utah depend on your USDA zone. Utah spans zones 8a. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Utah for planting?

Utah contains USDA hardiness zones 8a. 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.