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When to plant Celtuce in Boone County, IN

Plant Celtuce in Boone County, when soil hits 50°F — usually April 8. Continue planting through April 29 for the spring crop. A second sowing from August 6 to August 20 extends the harvest into fall.

When to Plant Celtuce in Boone 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.

Boone County, Indiana is in USDA Zone 6a. The average last spring frost is April 22 and the first fall frost is October 15, giving you a growing season of approximately 176 days.

At an elevation of 850 feet, Boone County receives approximately 35.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Celtuce to ensure they mature before fall.

Boone County, IN (Zone 6a) Moderate season
176 days
Last Spring Frost April 22
176 growing days
First Fall Frost October 15

Boone County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-6.8

Drainage

Well Drained

Monthly Watering Guide for Celtuce

Celtuce needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Celtuce Needs Rainfall You Supplement Action
Jan 1.6" 0" ❄️ Dormant
Feb 1.6" 0" ❄️ Dormant
Mar 2.6" 0" ❄️ Dormant
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 4.1" 0.2" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 4" 0.3" 💧 Light watering
Aug 4.3" 3.3" 1" 💧 Light watering
Sep 4.3" 3.4" 0.9" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 2.3" 0" ❄️ Dormant
Dec 1.7" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Boone County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Celtuce Planting Timeline — Boone County, IN

Celtuce Planting Calendar

Activity When Date Range
Start Indoors March 18 Mar 18 – Apr 1
Transplant Outdoors April 22 Apr 22 – May 6
Direct Sow April 8 Apr 8 – Apr 29
Harvest June 24 Jun 24 – Aug 5
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
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

176 days in Boone County

Growing Tips for Boone 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 Boone County, IN?

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

What planting zone is Boone County, IN?

Boone County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 22 and first fall frost is October 15.

When should I plant Celtuce in Boone County, IN?

In Boone County, IN, plant Celtuce after the last frost (around April 22) and before the first frost (around October 15). Best results when soil holds above 50°F.

What growing zone is Boone County, IN for Celtuce?

Boone 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 Boone County's climate?

Yes — Celtuce grows well in Boone County's temperate climate. Boone County averages a 176-day frost-free season, with last frost around April 22 and first frost around October 15.

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Your Boone County Garden Planner — Free

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

Sources & credits

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