When to Plant Crosne in Dearborn County, IN
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.
Dearborn County, Indiana is in USDA Zone 6a. The average last spring frost is April 16 and the first fall frost is October 20, giving you a growing season of approximately 187 days.
At an elevation of 1,290 feet, Dearborn County receives approximately 32.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Crosne during the growing season.
Dearborn County Soil Profile
Soil Type
Silt Loam
Soil pH
5.9-7.3
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Crosne Planting Timeline — Dearborn County, IN
Crosne Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 2 | Apr 2 – Apr 23 |
| Fall Sowing | August 11 | Aug 11 – Aug 25 |
| Harvest | September 3 | Sep 3 – Oct 15 |
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 | — |
| 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 6a
Growing Season
187 days
Growing Tips for Dearborn 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 Dearborn County, IN?
Dearborn County is in Zone 6a with an average last frost of April 16. Plan your Crosne planting based on this frost date — see the calendar above for exact timing.
What planting zone is Dearborn County, IN?
Dearborn County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 16 and first fall frost is October 20.
Plan Your Garden with Confidence
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