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When to plant Cilantro in Howard County, IN

For Howard County, gardeners: plant Cilantro April 8 through April 29 once soil reads 50°F. A second sowing from August 8 to August 22 extends the harvest into fall.

When to Plant Cilantro in Howard County, IN

Cilantro

Cilantro is a dual-purpose herb providing fresh leaves (cilantro) and dried seeds (coriander). It bolts quickly in heat, producing flowers beloved by beneficial insects.

Howard County, Indiana is in USDA Zone 6a. The average last spring frost is April 22 and the first fall frost is October 17, giving you a growing season of approximately 178 days.

At an elevation of 1,303 feet, Howard County receives approximately 41.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Cilantro during the growing season.

Howard County, IN (Zone 6a) Moderate season
178 days
Last Spring Frost April 22
178 growing days
First Fall Frost October 17

Howard County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Cilantro Planting Timeline — Howard County, IN

Cilantro Planting Calendar

Activity When Date Range
Start Indoors March 18 Mar 18 – Apr 1
Transplant Outdoors April 15 Apr 15 – Apr 29
Direct Sow April 8 Apr 8 – Apr 29
Harvest May 27 May 27 – Jul 29
Fall Sowing August 8 Aug 8 – Aug 22

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

178 days in Howard County

Growing Tips for Howard County

Succession sow every 2-3 weeks. Provide afternoon shade in warm weather. Harvest leaves before flowering or allow some plants to go to seed for coriander and self-sowing.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cilantro in Howard County, IN?

Howard County is in Zone 6a with an average last frost of April 22. Plan your Cilantro planting based on this frost date — see the calendar above for exact timing.

What planting zone is Howard County, IN?

Howard County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 22 and first fall frost is October 17.

When should I plant Cilantro in Howard County, IN?

In Howard County, IN, plant Cilantro after the last frost (around April 22) and before the first frost (around October 17). Best results when soil holds above 50°F.

What growing zone is Howard County, IN for Cilantro?

Howard County sits in USDA Zone 6a. Cilantro grows reliably in zones 2a through 11b, so it's a good fit here.

Can Cilantro grow in Howard County's climate?

Yes — Cilantro grows well in Howard County's temperate climate. Howard County averages a 178-day frost-free season, with last frost around April 22 and first frost around October 17.

🌱

Your Howard County Garden Planner — Free

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

Sources & credits

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