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When to plant Sorrel in Fremont County, IA

Plant Sorrel in Fremont County from April 10 to May 1 in spring. Fremont County sits in USDA Zone 5b, with last frost around April 24 and first frost on October 10. A second sowing from August 1 to August 15 extends the harvest into fall.

When to Plant Sorrel in Fremont County, IA

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.

Fremont County, Iowa is in USDA Zone 5b. The average last spring frost is April 24 and the first fall frost is October 10, giving you a growing season of approximately 169 days.

At an elevation of 1,032 feet, Fremont County receives approximately 35.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Sorrel to ensure they mature before fall.

Fremont County, IA (Zone 5b) Moderate season
169 days
Last Spring Frost April 24
169 growing days
First Fall Frost October 10

Fremont County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Sorrel Planting Timeline — Fremont County, IA

Sorrel Planting Calendar

Activity When Date Range
Start Indoors March 20 Mar 20 – Apr 3
Transplant Outdoors April 17 Apr 17 – May 1
Direct Sow April 10 Apr 10 – May 1
Harvest May 29 May 29 – Jul 31
Fall Sowing August 1 Aug 1 – Aug 15

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 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

40–60 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

169 days in Fremont County

Growing Tips for Fremont 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 Fremont County, IA?

Fremont County is in Zone 5b with an average last frost of April 24. Plan your Sorrel planting based on this frost date — see the calendar above for exact timing.

What planting zone is Fremont County, IA?

Fremont County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 24 and first fall frost is October 10.

When should I plant Sorrel in Fremont County, IA?

In Fremont County, IA, plant Sorrel after the last frost (around April 24) and before the first frost (around October 10). Best results when soil holds above 50°F.

What growing zone is Fremont County, IA for Sorrel?

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

Can Sorrel grow in Fremont County's climate?

Yes — Sorrel grows well in Fremont County's temperate climate. Fremont County averages a 169-day frost-free season, with last frost around April 24 and first frost around October 10.

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Your Fremont County Garden Planner — Free

A 22-page printable planner built for Fremont County (Zone 5b). 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 Fremont County, IA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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