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When to plant Onion in Wayne County, IN

Aim to plant Onion in Wayne County on or after April 11; the window stays open through May 2. Wayne County's 174-day frost-free season gives you a single solid spring crop with a brief fall option. A second sowing from August 7 to August 21 extends the harvest into fall.

When to Plant Onion in Wayne County, IN

Onions are a fundamental kitchen staple available in yellow, white, and red varieties. Choose long-day, short-day, or intermediate types based on your latitude.

Wayne County, Indiana is in USDA Zone 6a. The average last spring frost is April 25 and the first fall frost is October 16, giving you a growing season of approximately 174 days.

At an elevation of 1,322 feet, Wayne County receives approximately 38 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Onion during the growing season.

Wayne County, IN (Zone 6a) Moderate season
174 days
Last Spring Frost April 25
174 growing days
First Fall Frost October 16

Wayne County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Onion Planting Timeline — Wayne County, IN

Onion Planting Calendar

Activity When Date Range
Start Indoors March 21 Mar 21 – Apr 4
Transplant Outdoors April 25 Apr 25 – May 9
Direct Sow April 11 Apr 11 – May 2
Harvest July 25 Jul 25 – Sep 12
Fall Sowing August 7 Aug 7 – Aug 21

Plant 1" 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
July Harvest
August Fall Sowing Harvest
September Harvest
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

174 days in Wayne County

Growing Tips for Wayne County

Start seeds indoors 8-10 weeks before transplanting. Match day-length type to your latitude. Stop watering when tops begin to fall over and cure bulbs for 2-3 weeks before storage.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans
  • Asparagus

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Onion in Wayne County, IN?

Wayne County is in Zone 6a with an average last frost of April 25. Plan your Onion planting based on this frost date — see the calendar above for exact timing.

What planting zone is Wayne County, IN?

Wayne County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 25 and first fall frost is October 16.

When should I plant Onion in Wayne County, IN?

In Wayne County, IN, plant Onion after the last frost (around April 25) and before the first frost (around October 16). Best results when soil holds above 50°F.

What growing zone is Wayne County, IN for Onion?

Wayne County sits in USDA Zone 6a. Onion grows reliably in zones 3a through 10b, so it's a good fit here.

Can Onion grow in Wayne County's climate?

Yes — Onion grows well in Wayne County's temperate climate. Wayne County averages a 174-day frost-free season, with last frost around April 25 and first frost around October 16.

🌱

Your Wayne County Garden Planner — Free

A 22-page printable planner built for Wayne 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.

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

Sources & credits

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