When to plant Lettuce in Sumner County, KS
In Sumner County, plant Lettuce in spring between March 28 and April 18, once soil temps hold above 50°F. Sumner County's last frost averages April 11, so most warm-season crops establish quickly once soil holds above 60°F. For a fall crop, sow between August 17 and August 31 — roughly 30–60 days before the first frost on October 26.
When to Plant Lettuce in Sumner County, KS
Lettuce is a fast-growing cool-season green available in leaf, romaine, butterhead, and crisphead types. It is the foundation of salads and one of the easiest crops to grow.
Sumner County, Kansas is in USDA Zone 7a. The average last spring frost is April 11 and the first fall frost is October 26, giving you a growing season of approximately 198 days.
At an elevation of 637 feet, Sumner County receives approximately 29 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Lettuce during the growing season.
Sumner County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Lettuce Planting Timeline — Sumner County, KS
Lettuce Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 7 | Mar 7 – Mar 21 |
| Transplant Outdoors | April 11 | Apr 11 – Apr 25 |
| Direct Sow | March 28 | Mar 28 – Apr 18 |
| Harvest | May 16 | May 16 – Jul 25 |
| Fall Sowing | August 17 | Aug 17 – Aug 31 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
30–60 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7a
📆 Growing Season
198 days in Sumner County
Growing Tips for Sumner County
Sow seeds directly every 2 weeks for continuous harvest. Provide afternoon shade in warm weather to delay bolting. Harvest in the morning for crispest leaves.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Very easy to save. Let a few plants bolt each season.
Lettuce in Other Locations
Frequently Asked Questions
When should I plant Lettuce in Sumner County, KS?
Sumner County is in Zone 7a with an average last frost of April 11. Plan your Lettuce planting based on this frost date — see the calendar above for exact timing.
What planting zone is Sumner County, KS?
Sumner County, Kansas is in USDA Hardiness Zone 7a. The average last spring frost is April 11 and first fall frost is October 26.
When should I plant Lettuce in Sumner County, KS?
In Sumner County, KS, plant Lettuce after the last frost (around April 11) and before the first frost (around October 26). Best results when soil holds above 50°F.
What growing zone is Sumner County, KS for Lettuce?
Sumner County sits in USDA Zone 7a. Lettuce grows reliably in zones 2a through 11b, so it's a good fit here.
Can Lettuce grow in Sumner County's climate?
Yes — Lettuce grows well in Sumner County's temperate climate. Sumner County averages a 198-day frost-free season, with last frost around April 11 and first frost around October 26.
Your Sumner County Garden Planner — Free
A 22-page printable planner built for Sumner County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.