Blog

When to Plant Scallions in Carroll County, OH

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.

Carroll County, Ohio is in USDA Zone 6b. The average last spring frost is April 30 and the first fall frost is October 15, giving you a growing season of approximately 168 days.

At an elevation of 1,145 feet, Carroll County receives approximately 35 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Scallions during the growing season.

Carroll County, OH (Zone 6b) Moderate season
168 days
Last Spring Frost April 30
168 growing days
First Fall Frost October 15

Carroll County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Scallions Planting Timeline — Carroll County, OH

Scallions Planting Calendar

Activity When Date Range
Start Indoors March 26 Mar 26 – Apr 9
Transplant Outdoors April 30 Apr 30 – May 14
Direct Sow April 16 Apr 16 – May 7
Harvest June 25 Jun 25 – Jul 23
Fall Sowing August 6 Aug 6 – Aug 20

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
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

50–70 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

168 days in Carroll County

Growing Tips for Carroll 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

  • Peas
  • Green Beans

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Scallions in Carroll County, OH?

Carroll County is in Zone 6b with an average last frost of April 30. Plan your Scallions planting based on this frost date — see the calendar above for exact timing.

What planting zone is Carroll County, OH?

Carroll County, Ohio is in USDA Hardiness Zone 6b. The average last spring frost is April 30 and first fall frost is October 15.

🌱

Your Carroll County Garden Planner — Free

A 22-page printable planner built for Carroll County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Carroll County, OH. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.