When to Plant Scallions in Carlisle County, KY
Scallions (green onions) are mild-flavored alliums harvested for their slender green tops and white bases. They are quick-growing and perfect for succession planting.
Carlisle County, Kentucky is in USDA Zone 6b. The average last spring frost is March 28 and the first fall frost is October 31, giving you a growing season of approximately 217 days.
At an elevation of 4,000 feet, Carlisle County receives approximately 44.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Scallions during the growing season.
Carlisle County Soil Profile
Soil Type
Silt Loam
Soil pH
5.7-6.7
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
Scallions Planting Timeline — Carlisle County, KY
Scallions Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 21 | Feb 21 – Mar 7 |
| Transplant Outdoors | March 28 | Mar 28 – Apr 11 |
| Direct Sow | March 14 | Mar 14 – Apr 4 |
| Fall Sowing | August 22 | Aug 22 – Sep 5 |
| Harvest | May 23 | May 23 – Jun 20 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Transplant Outdoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
50–70 days
Soil pH
6 – 7
USDA Zone
Zone 6b
Growing Season
217 days
Growing Tips for Carlisle County
Direct sow every 3 weeks for continuous harvest. Thin to 1 inch apart or grow in clusters. Harvest when pencil-thick by pulling or cutting at soil level.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Scallions in Other Locations
Frequently Asked Questions
When should I plant Scallions in Carlisle County, KY?
Carlisle County is in Zone 6b with an average last frost of March 28. Plan your Scallions planting based on this frost date — see the calendar above for exact timing.
What planting zone is Carlisle County, KY?
Carlisle County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is March 28 and first fall frost is October 31.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Carlisle County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.