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When to Plant Crosne in Louisiana

Crosne (Chinese artichoke) produces small, segmented white tubers with a crunchy texture and mild artichoke-nutty flavor. They are a rare delicacy in French cuisine.

Louisiana spans USDA hardiness zones 8a, 8b, 9a, 9b (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 Crosne planting dates based on your local frost dates.

Crosne Planting Calendar for Louisiana

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

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

Activity When Date Range
Direct Sow February 22 Feb 22 – Mar 15
Harvest July 26 Jul 26 – Sep 27
Fall Sowing September 9 Sep 9 – Sep 23
Zone 8b ~276 day growing season · Full guide →

Last frost: February 25 · First frost: November 28 · 276 day season

Activity When Date Range
Direct Sow February 11 Feb 11 – Mar 4
Harvest July 15 Jul 15 – Sep 16
Fall Sowing September 19 Sep 19 – Oct 3
Zone 9a ~303 day growing season · Full guide →

Last frost: February 10 · First frost: December 10 · 303 day season

Activity When Date Range
Direct Sow January 20 Jan 20 – Feb 10
Harvest June 23 Jun 23 – Aug 25
Fall Sowing October 15 Oct 15 – Oct 29
Zone 9b ~329 day growing season · Full guide →

Last frost: January 25 · First frost: December 20 · 329 day season

Activity When Date Range
Direct Sow January 4 Jan 4 – Jan 25
Harvest June 7 Jun 7 – Aug 9
Fall Sowing October 25 Oct 25 – Nov 8

Growing Tips for Louisiana

Plant tubers 3 inches deep in spring. Mark the location well as plants die back. Harvest in late fall after frost. Leave some tubers in ground for next year. Very labor-intensive to harvest.

Frequently Asked Questions

When should I plant Crosne in Louisiana?

Planting dates for Crosne in Louisiana depend on your USDA zone. Louisiana spans zones 8a, 8b, 9a, 9b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Louisiana for planting?

Louisiana contains USDA hardiness zones 8a, 8b, 9a, 9b. 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.