When to Plant Radicchio in Schuyler County, IL
Radicchio is an Italian chicory with stunning red and white leaves and a pleasantly bitter flavor. It forms tight heads and is used in salads, grilled, or braised.
Schuyler County, Illinois is in USDA Zone 5b. 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 1,174 feet, Schuyler County receives approximately 41.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Radicchio during the growing season.
Schuyler County Soil Profile
Soil Type
Silt Loam
Soil pH
5.9-6.8
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
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Radicchio Planting Timeline — Schuyler County, IL
Radicchio Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 12 | Mar 12 – Mar 26 |
| Transplant Outdoors | April 16 | Apr 16 – Apr 30 |
| Direct Sow | April 2 | Apr 2 – Apr 23 |
| Fall Sowing | August 11 | Aug 11 – Aug 25 |
| Harvest | June 18 | Jun 18 – Jul 23 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
60–80 days
Soil pH
6 – 7
USDA Zone
Zone 5b
Growing Season
187 days
Growing Tips for Schuyler County
Start in late summer for fall harvest. The red color develops with cool nights and light frost. Harvest when heads are firm and compact.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Radicchio in Other Locations
Frequently Asked Questions
When should I plant Radicchio in Schuyler County, IL?
Schuyler County is in Zone 5b with an average last frost of April 16. Plan your Radicchio planting based on this frost date — see the calendar above for exact timing.
What planting zone is Schuyler County, IL?
Schuyler County, Illinois is in USDA Hardiness Zone 5b. The average last spring frost is April 16 and first fall frost is October 20.
Plan Your Garden with Confidence
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