When to Plant Crosne in Porter 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.
Porter County, Indiana is in USDA Zone 5b. The average last spring frost is April 25 and the first fall frost is October 24, giving you a growing season of approximately 182 days.
At an elevation of 691 feet, Porter County receives approximately 35.1 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.
Porter County Soil Profile
Soil Type
Silt Loam
Soil pH
6.3-7.1
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 — Porter County, IN
Crosne Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 11 | Apr 11 – May 2 |
| Fall Sowing | August 15 | Aug 15 – Aug 29 |
| Harvest | September 12 | Sep 12 – Sep 26 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | Direct Sow |
| June | — |
| July | — |
| August | Fall Sowing |
| September | Harvest |
| October | — |
| 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 5b
Growing Season
182 days
Growing Tips for Porter 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 Porter County, IN?
Porter County is in Zone 5b with an average last frost of April 25. Plan your Crosne planting based on this frost date — see the calendar above for exact timing.
What planting zone is Porter County, IN?
Porter County, Indiana is in USDA Hardiness Zone 5b. The average last spring frost is April 25 and first fall frost is October 24.
Plan Your Garden with Confidence
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