When to plant Crosne in McDonough County, IL
In McDonough County, plant Crosne in spring between April 3 and April 24, once soil temps hold above 50°F. McDonough County's last frost averages April 17, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between August 8 and August 22 — roughly 150–200 days before the first frost on October 17.
When to Plant Crosne in McDonough County, IL
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.
McDonough County, Illinois is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 17, giving you a growing season of approximately 183 days.
At an elevation of 738 feet, McDonough County receives approximately 37.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Crosne to ensure they mature before fall.
McDonough County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Crosne Planting Timeline — McDonough County, IL
Crosne Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 3 | Apr 3 – Apr 24 |
| Harvest | September 4 | Sep 4 – Oct 16 |
| Fall Sowing | August 8 | Aug 8 – Aug 22 |
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
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
183 days in McDonough County
Growing Tips for McDonough 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
Check more plant combinations with our Companion Planting Checker →
Crosne in Other Locations
Frequently Asked Questions
When should I plant Crosne in McDonough County, IL?
McDonough County is in Zone 6a with an average last frost of April 17. Plan your Crosne planting based on this frost date — see the calendar above for exact timing.
What planting zone is McDonough County, IL?
McDonough County, Illinois is in USDA Hardiness Zone 6a. The average last spring frost is April 17 and first fall frost is October 17.
When should I plant Crosne in McDonough County, IL?
In McDonough County, IL, plant Crosne after the last frost (around April 17) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is McDonough County, IL for Crosne?
McDonough County sits in USDA Zone 6a. Crosne grows reliably in zones 4a through 9b, so it's a good fit here.
Can Crosne grow in McDonough County's climate?
Yes — Crosne grows well in McDonough County's temperate climate. McDonough County averages a 183-day frost-free season, with last frost around April 17 and first frost around October 17.
Your McDonough County Garden Planner — Free
A 22-page printable planner built for McDonough County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.