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When to plant Sorrel in Watonwan County, MN

Watonwan County's climate puts the Sorrel spring window between April 15 and May 6. time plantings around the expected last-frost window for best survival. A second sowing from July 28 to August 11 extends the harvest into fall.

When to Plant Sorrel in Watonwan County, MN

Sorrel is a perennial herb with tangy, lemon-flavored arrow-shaped leaves. It is one of the first greens to emerge in spring and is used in soups and salads.

Watonwan County, Minnesota is in USDA Zone 5a. The average last spring frost is April 29 and the first fall frost is October 6, giving you a growing season of approximately 160 days.

At an elevation of 984 feet, Watonwan County receives approximately 33.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Sorrel to ensure they mature before fall.

Watonwan County, MN (Zone 5a) Moderate season
160 days
Last Spring Frost April 29
160 growing days
First Fall Frost October 6

Watonwan County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Sorrel Planting Timeline — Watonwan County, MN

Sorrel Planting Calendar

Activity When Date Range
Start Indoors March 25 Mar 25 – Apr 8
Transplant Outdoors April 22 Apr 22 – May 6
Direct Sow April 15 Apr 15 – May 6
Harvest June 3 Jun 3 – Aug 5
Fall Sowing July 28 Jul 28 – Aug 11

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

160 days in Watonwan County

Growing Tips for Watonwan County

Direct sow in early spring or fall. Remove flower stalks promptly to encourage leaf production. Divide clumps every 3-4 years. Young leaves have the best flavor.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sorrel in Watonwan County, MN?

Watonwan County is in Zone 5a with an average last frost of April 29. Plan your Sorrel planting based on this frost date — see the calendar above for exact timing.

What planting zone is Watonwan County, MN?

Watonwan County, Minnesota is in USDA Hardiness Zone 5a. The average last spring frost is April 29 and first fall frost is October 6.

When should I plant Sorrel in Watonwan County, MN?

In Watonwan County, MN, plant Sorrel after the last frost (around April 29) and before the first frost (around October 6). Best results when soil holds above 50°F.

What growing zone is Watonwan County, MN for Sorrel?

Watonwan County sits in USDA Zone 5a. Sorrel grows reliably in zones 3a through 9b, so it's a good fit here.

Can Sorrel grow in Watonwan County's climate?

Yes — Sorrel grows well in Watonwan County's temperate climate. Watonwan County averages a 160-day frost-free season, with last frost around April 29 and first frost around October 6.

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Your Watonwan County Garden Planner — Free

A 22-page printable planner built for Watonwan 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.

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

Sources & credits

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