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When to plant Celtuce in Warren County, IN

Warren County sits in USDA Zone 6a. Plant Celtuce between April 5 (after last frost on April 19) and April 26. A second sowing from August 5 to August 19 extends the harvest into fall.

When to Plant Celtuce in Warren County, IN

Celtuce (stem lettuce) is a Chinese vegetable grown for its thick, crunchy stem rather than its leaves. The peeled stem has a mild, cucumber-like flavor.

Warren County, Indiana is in USDA Zone 6a. The average last spring frost is April 19 and the first fall frost is October 14, giving you a growing season of approximately 178 days.

At an elevation of 764 feet, Warren County receives approximately 40.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Celtuce during the growing season.

Warren County, IN (Zone 6a) Moderate season
178 days
Last Spring Frost April 19
178 growing days
First Fall Frost October 14

Warren County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Celtuce Planting Timeline — Warren County, IN

Celtuce Planting Calendar

Activity When Date Range
Start Indoors March 15 Mar 15 – Mar 29
Transplant Outdoors April 19 Apr 19 – May 3
Direct Sow April 5 Apr 5 – Apr 26
Harvest June 21 Jun 21 – Aug 2
Fall Sowing August 5 Aug 5 – Aug 19

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

178 days in Warren County

Growing Tips for Warren County

Direct sow in spring or start indoors. Space 12 inches apart. Harvest when stems are about 1 inch in diameter. Peel the tough outer skin to reveal the tender center.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Celtuce in Warren County, IN?

Warren County is in Zone 6a with an average last frost of April 19. Plan your Celtuce planting based on this frost date — see the calendar above for exact timing.

What planting zone is Warren County, IN?

Warren County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 19 and first fall frost is October 14.

When should I plant Celtuce in Warren County, IN?

In Warren County, IN, plant Celtuce after the last frost (around April 19) and before the first frost (around October 14). Best results when soil holds above 50°F.

What growing zone is Warren County, IN for Celtuce?

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

Can Celtuce grow in Warren County's climate?

Yes — Celtuce grows well in Warren County's temperate climate. Warren County averages a 178-day frost-free season, with last frost around April 19 and first frost around October 14.

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Your Warren County Garden Planner — Free

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

Sources & credits

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