When to plant Lettuce in Wright County, MN
Wright County sits in USDA Zone 4b. Plant Lettuce between April 24 (after last frost on May 1) and May 15. A second sowing from July 14 to July 28 extends the harvest into fall.
When to Plant Lettuce in Wright County, MN
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.
Wright County, Minnesota is in USDA Zone 4b. The average last spring frost is May 1 and the first fall frost is October 6, giving you a growing season of approximately 158 days.
At an elevation of 997 feet, Wright County receives approximately 32.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Lettuce to ensure they mature before fall.
Wright County Soil Profile
Soil Type
Silt Loam
Soil pH
5.7-7.2
Drainage
Well Drained
Monthly Watering Guide for Lettuce
Lettuce needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Lettuce Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.2" | 0" | ❄️ Dormant |
| Feb | — | 1.3" | 0" | ❄️ Dormant |
| Mar | — | 2.1" | 0" | ❄️ Dormant |
| Apr | — | 3.2" | 0" | ❄️ Dormant |
| May | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Jun | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Jul | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Aug | 4.3" | 3.3" | 1" | 💧 Light watering |
| Sep | 4.3" | 3.3" | 1" | 💧 Light watering |
| Oct | 4.3" | 2.7" | 1.6" | 💧 Light watering |
| Nov | — | 2" | 0" | ❄️ Dormant |
| Dec | — | 1.6" | 0" | ❄️ Dormant |
Water needs are for active growing months only (May–Oct in Wright County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Lettuce Planting Timeline — Wright County, MN
Lettuce Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 20 | Mar 20 – Apr 3 |
| Transplant Outdoors | May 1 | May 1 – May 15 |
| Direct Sow | April 24 | Apr 24 – May 15 |
| Harvest | June 5 | Jun 5 – Aug 14 |
| Fall Sowing | July 14 | Jul 14 – Jul 28 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Fall Sowing Harvest |
| August | Harvest |
| 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 4b
📆 Growing Season
158 days in Wright County
Growing Tips for Wright 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 Wright County, MN?
Wright County is in Zone 4b with an average last frost of May 1. Plan your Lettuce planting based on this frost date — see the calendar above for exact timing.
What planting zone is Wright County, MN?
Wright County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is May 1 and first fall frost is October 6.
When should I plant Lettuce in Wright County, MN?
In Wright County, MN, plant Lettuce after the last frost (around May 1) and before the first frost (around October 6). Best results when soil holds above 50°F.
What growing zone is Wright County, MN for Lettuce?
Wright County sits in USDA Zone 4b. Lettuce grows reliably in zones 2a through 11b, so it's a good fit here.
Can Lettuce grow in Wright County's climate?
Yes — Lettuce grows well in Wright County's temperate climate. Wright County averages a 158-day frost-free season, with last frost around May 1 and first frost around October 6.
Your Wright County Garden Planner — Free
A 22-page printable planner built for Wright County (Zone 4b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.