When to Plant Crosne in Osage County, KS
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.
Osage County, Kansas is in USDA Zone 6a. The average last spring frost is April 12 and the first fall frost is October 25, giving you a growing season of approximately 196 days.
At an elevation of 504 feet, Osage County receives approximately 28.4 inches of rainfall annually with predominantly loam soil. Summer highs average 89°F, providing good warmth for Crosne during the growing season.
Osage County Soil Profile
Soil Type
Loam
Soil pH
6.6-7.6
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 — Osage County, KS
Crosne Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | March 29 | Mar 29 – Apr 19 |
| Fall Sowing | August 16 | Aug 16 – Aug 30 |
| Harvest | August 30 | Aug 30 – Oct 11 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Direct Sow |
| April | Direct Sow |
| May | — |
| June | — |
| July | — |
| August | Fall Sowing Harvest |
| 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
196 days
Growing Tips for Osage 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 Osage County, KS?
Osage County is in Zone 6a with an average last frost of April 12. Plan your Crosne planting based on this frost date — see the calendar above for exact timing.
What planting zone is Osage County, KS?
Osage County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 12 and first fall frost is October 25.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Osage County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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