When to plant Celtuce in Washington County, MN
Washington County gardeners should plant Celtuce between April 9 and April 30 in spring. With Washington County's Zone 5a climate (last frost April 23), Celtuce needs 60–90 days to mature — plant by July 11 for a full harvest. A second sowing from July 31 to August 14 extends the harvest into fall.
When to Plant Celtuce in Washington 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.
Washington County, Minnesota is in USDA Zone 5a. The average last spring frost is April 23 and the first fall frost is October 9, giving you a growing season of approximately 169 days.
At an elevation of 832 feet, Washington County receives approximately 30.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Celtuce during the growing season.
Washington County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Celtuce Planting Timeline — Washington County, MN
Celtuce Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 19 | Mar 19 – Apr 2 |
| Transplant Outdoors | April 23 | Apr 23 – May 7 |
| Direct Sow | April 9 | Apr 9 – Apr 30 |
| Harvest | June 25 | Jun 25 – Aug 6 |
| Fall Sowing | July 31 | Jul 31 – Aug 14 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Transplant Outdoors Direct Sow |
| May | Transplant Outdoors |
| June | Harvest |
| 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
169 days in Washington County
Growing Tips for Washington 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 →
Celtuce in Other Locations
Frequently Asked Questions
When should I plant Celtuce in Washington County, MN?
Washington County is in Zone 5a with an average last frost of April 23. Plan your Celtuce planting based on this frost date — see the calendar above for exact timing.
What planting zone is Washington County, MN?
Washington County, Minnesota is in USDA Hardiness Zone 5a. The average last spring frost is April 23 and first fall frost is October 9.
When should I plant Celtuce in Washington County, MN?
In Washington County, MN, plant Celtuce after the last frost (around April 23) and before the first frost (around October 9). Best results when soil holds above 50°F.
What growing zone is Washington County, MN for Celtuce?
Washington 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 Washington County's climate?
Yes — Celtuce grows well in Washington County's temperate climate. Washington County averages a 169-day frost-free season, with last frost around April 23 and first frost around October 9.
Your Washington County Garden Planner — Free
A 22-page printable planner built for Washington 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.