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When to plant Melon in Hamilton County, IN

For Hamilton County, gardeners: plant Melon April 24 through May 15 once soil reads 50°F.

When to Plant Melon in Hamilton County, IN

Melons are warm-season vine crops that produce sweet, juicy fruits in many varieties including muskmelon and honeydew. They need a long, hot growing season.

Hamilton County, Indiana is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 17, giving you a growing season of approximately 183 days.

At an elevation of 747 feet, Hamilton County receives approximately 30.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Melon to ensure they mature before fall.

Hamilton County, IN (Zone 6a) Moderate season
183 days
Last Spring Frost April 17
183 growing days
First Fall Frost October 17

Hamilton County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Melon Planting Timeline — Hamilton County, IN

Melon Planting Calendar

Activity When Date Range
Start Indoors March 13 Mar 13 – Mar 27
Transplant Outdoors May 1 May 1 – May 15
Direct Sow April 24 Apr 24 – May 15
Harvest July 10 Jul 10 – Aug 28

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Direct Sow
May Transplant Outdoors Direct Sow
June
July Harvest
August Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

183 days in Hamilton County

Growing Tips for Hamilton County

Start seeds indoors 3-4 weeks before transplanting. Plant on raised mounds of compost-enriched soil. Reduce watering as fruits ripen to concentrate sweetness.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Cucumber

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Melon in Hamilton County, IN?

Hamilton County is in Zone 6a with an average last frost of April 17. Plan your Melon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hamilton County, IN?

Hamilton County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 17 and first fall frost is October 17.

When should I plant Melon in Hamilton County, IN?

In Hamilton County, IN, plant Melon after the last frost (around April 17) and before the first frost (around October 17). Best results when soil holds above 50°F.

What growing zone is Hamilton County, IN for Melon?

Hamilton County sits in USDA Zone 6a. Melon grows reliably in zones 4a through 11b, so it's a good fit here.

Can Melon grow in Hamilton County's climate?

Yes — Melon grows well in Hamilton County's temperate climate. Hamilton County averages a 183-day frost-free season, with last frost around April 17 and first frost around October 17.

🌱

Your Hamilton County Garden Planner — Free

A 22-page printable planner built for Hamilton 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 Hamilton County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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