When to Plant Celtuce in Pittsburg County, OK
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.
Pittsburg County, Oklahoma is in USDA Zone 7a. The average last spring frost is April 4 and the first fall frost is November 1, giving you a growing season of approximately 211 days.
At an elevation of 620 feet, Pittsburg County receives approximately 32.6 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Celtuce during the growing season.
Pittsburg County Soil Profile
Soil Type
Loam
Soil pH
6.6-7.2
Drainage
Well Drained
Plant Planting Risk Windows
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 Pittsburg County
How your county's soil matches Celtuce's growing requirements.
Soil pH
Your soil pH (6.6–7.2) overlaps with Celtuce's range (6.0–7.0), though not a perfect match.
Soil Texture
The loam soil in Pittsburg County is excellent for Celtuce — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (3.7%). Annual compost additions will help Celtuce.
How to Plant Celtuce
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Celtuce
Sow every 6.9 weeks. Last sowing by Aug 03 to harvest before frost.
For a dedicated fall crop, sow by Aug 23.
Plant Water Budget
Celtuce Planting Timeline — Pittsburg County, OK
Celtuce Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 28 | Feb 28 – Mar 14 |
| Transplant Outdoors | April 4 | Apr 4 – Apr 18 |
| Direct Sow | March 21 | Mar 21 – Apr 11 |
| Fall Sowing | August 23 | Aug 23 – Sep 6 |
| Harvest | June 6 | Jun 6 – Jul 18 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.7"/week · Only during dry spells
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 6–7 · Your soil: acceptable
🗺️ USDA Zone
Zone 7a
📆 Growing Season
211 days in Pittsburg County
Growing Tips for Celtuce in Pittsburg County
Direct sow Celtuce outdoors after April 04 in Pittsburg 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
Celtuce in Other Locations
Frequently Asked Questions
When should I plant Celtuce in Pittsburg County, OK?
Pittsburg County is in Zone 7a with an average last frost of April 4. Plan your Celtuce planting based on this frost date — see the calendar above for exact timing.
What planting zone is Pittsburg County, OK?
Pittsburg County, Oklahoma is in USDA Hardiness Zone 7a. The average last spring frost is April 4 and first fall frost is November 1.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Pittsburg County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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