When to Plant Crosne in Trinity County, CA
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.
Trinity County, California is in USDA Zone 7b. The average last spring frost is April 19 and the first fall frost is October 25, giving you a growing season of approximately 189 days.
At an elevation of 61 feet, Trinity County receives approximately 30.9 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 79°F, so choose short-season varieties of Crosne to ensure they mature before fall. Sandy soil warms quickly in spring — great for early planting — but Crosne will need more frequent watering and organic matter to retain nutrients.
Trinity County Soil Profile
Soil Type
Sandy Loam
Soil pH
6-7.1
Drainage
Well Drained
Crosne Planting Timeline — Trinity County, CA
Crosne Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 5 | Apr 5 – Apr 26 |
| Fall Sowing | August 16 | Aug 16 – Aug 30 |
| Harvest | September 6 | Sep 6 – Nov 8 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | — |
| June | — |
| July | — |
| August | Fall Sowing |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
150–200 days
Soil pH
6 – 7
USDA Zone
Zone 7b
Growing Season
189 days
Growing Tips for Trinity County
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.
Companion Planting
Good Companions
Level Up Your Garden
Crosne in Other Locations
Frequently Asked Questions
When should I plant Crosne in Trinity County, CA?
Trinity County is in Zone 7b with an average last frost of April 19. Plan your Crosne planting based on this frost date — see the calendar above for exact timing.
What planting zone is Trinity County, CA?
Trinity County, California is in USDA Hardiness Zone 7b. The average last spring frost is April 19 and first fall frost is October 25.
Plan Your Garden with Confidence
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