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When to plant Celtuce in Blue Earth County, MN

Celtuce planted in Blue Earth County between April 15 and May 6 matures in 60–90 days — well before the October 4 first frost. A second sowing from July 26 to August 9 extends the harvest into fall.

When to Plant Celtuce in Blue Earth County, MN

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.

Blue Earth County, Minnesota is in USDA Zone 5a. The average last spring frost is April 29 and the first fall frost is October 4, giving you a growing season of approximately 158 days.

At an elevation of 646 feet, Blue Earth County receives approximately 40.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Celtuce to ensure they mature before fall.

Blue Earth County, MN (Zone 5a) Moderate season
158 days
Last Spring Frost April 29
158 growing days
First Fall Frost October 4

Blue Earth County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-6.8

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 1.9" 0" ❄️ Dormant
Mar 3.1" 0" ❄️ Dormant
Apr 4.3" 4" 0.3" 💧 Light watering
May 4.3" 4.3" 0" ✅ Rainfall sufficient
Jun 4.3" 4.3" 0" ✅ Rainfall sufficient
Jul 4.3" 5.1" 0" ✅ Rainfall sufficient
Aug 4.3" 4.4" 0" ✅ Rainfall sufficient
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 3.3" 1" 💧 Light watering
Nov 2.5" 0" ❄️ Dormant
Dec 2.5" 0" ❄️ Dormant

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

Celtuce Planting Timeline — Blue Earth County, MN

Celtuce Planting Calendar

Activity When Date Range
Start Indoors March 25 Mar 25 – Apr 8
Transplant Outdoors April 29 Apr 29 – May 13
Direct Sow April 15 Apr 15 – May 6
Harvest July 1 Jul 1 – Aug 12
Fall Sowing July 26 Jul 26 – Aug 9

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 Direct Sow
June
July Fall Sowing 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 5a

📆 Growing Season

158 days in Blue Earth County

Growing Tips for Blue Earth 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 Blue Earth County, MN?

Blue Earth County is in Zone 5a with an average last frost of April 29. Plan your Celtuce planting based on this frost date — see the calendar above for exact timing.

What planting zone is Blue Earth County, MN?

Blue Earth County, Minnesota is in USDA Hardiness Zone 5a. The average last spring frost is April 29 and first fall frost is October 4.

When should I plant Celtuce in Blue Earth County, MN?

In Blue Earth County, MN, plant Celtuce after the last frost (around April 29) and before the first frost (around October 4). Best results when soil holds above 50°F.

What growing zone is Blue Earth County, MN for Celtuce?

Blue Earth County sits in USDA Zone 5a. Celtuce grows reliably in zones 3a through 10b, so it's a good fit here.

Can Celtuce grow in Blue Earth County's climate?

Yes — Celtuce grows well in Blue Earth County's temperate climate. Blue Earth County averages a 158-day frost-free season, with last frost around April 29 and first frost around October 4.

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Your Blue Earth County Garden Planner — Free

A 22-page printable planner built for Blue Earth County (Zone 5a). 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 Blue Earth County, MN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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