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When to Plant Celtuce in Schuylkill County, PA

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.

Schuylkill County, Pennsylvania is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 27, giving you a growing season of approximately 193 days.

At an elevation of 253 feet, Schuylkill County receives approximately 43.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Celtuce during the growing season.

Schuylkill County, PA (Zone 6a) Moderate season
193 days
Last Spring Frost April 17
193 growing days
First Fall Frost October 27

Schuylkill County Soil Profile

Soil Type

Silt Loam

Soil pH

4.8-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (89 days to spare)
Start indoors: Mar 5 Transplant: Apr 9 🍅 Harvest: Jun 11 – Jul 23
Recommended (50%) ✓ Fits season (88 days to spare)
Start indoors: Mar 13 Transplant: Apr 17 🍅 Harvest: Jun 19 – Jul 31
Safe Start (90%) ✓ Fits season (81 days to spare)
Start indoors: Apr 2 Transplant: May 7 🍅 Harvest: Jul 9 – Aug 20

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Schuylkill County

How your county's soil matches Celtuce's growing requirements.

Soil pH

Your soil pH (4.8โ€“6.8) is more acidic than Celtuce prefers (6.0โ€“7.0). Add garden lime to raise pH.

Soil Texture

The silt loam soil in Schuylkill County is excellent for Celtuce โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.0%). Annual compost additions will help Celtuce.

How to Plant Celtuce

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Celtuce

3
successive plantings in your 193-day season

Sow every 6.9 weeks. Last sowing by Jul 29 to harvest before frost.

For a dedicated fall crop, sow by Aug 18.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Celtuce needs ~1,369 GDD — county provides 3,522 GDD Excellent fit

Celtuce Planting Timeline โ€” Schuylkill County, PA

Celtuce Planting Calendar

Activity When Date Range
Start Indoors March 13 Mar 13 โ€“ Mar 27
Transplant Outdoors April 17 Apr 17 โ€“ May 1
Direct Sow April 3 Apr 3 โ€“ Apr 24
Fall Sowing August 18 Aug 18 โ€“ Sep 1
Harvest June 19 Jun 19 โ€“ Jul 31

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.7"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

60โ€“90 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: too_acidic

๐Ÿ—บ๏ธ USDA Zone

Zone 6a

๐Ÿ“† Growing Season

193 days in Schuylkill County

Growing Tips for Celtuce in Schuylkill County

Direct sow Celtuce outdoors after April 17 in Schuylkill County when soil has warmed and frost danger has passed.

Common pests for Celtuce in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

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

Level Up Your Garden

Frequently Asked Questions

When should I plant Celtuce in Schuylkill County, PA?

Schuylkill County is in Zone 6a with an average last frost of April 17. Plan your Celtuce planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Schuylkill County, PA?

Schuylkill County, Pennsylvania is in USDA Hardiness Zone 6a. The average last spring frost is April 17 and first fall frost is October 27.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Schuylkill County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Schuylkill County, PA. Local conditions may vary. Last updated: April 2026.