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When to plant Horehound in Stevens County, MN

Plant Horehound in Stevens County during the brief May 9–May 23 window. With 157 frost-free days, fall plantings can't mature before October 6.

When to Plant Horehound in Stevens County, MN

Horehound is a woolly, drought-tolerant perennial herb traditionally used for cough remedies and candy. It has a distinctive bitter, menthol-like flavor.

Stevens County, Minnesota is in USDA Zone 4b. The average last spring frost is May 2 and the first fall frost is October 6, giving you a growing season of approximately 157 days.

At an elevation of 1,259 feet, Stevens County receives approximately 37.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Horehound to ensure they mature before fall.

Stevens County, MN (Zone 4b) Moderate season
157 days
Last Spring Frost May 2
157 growing days
First Fall Frost October 6

Stevens County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Horehound Planting Timeline — Stevens County, MN

Horehound Planting Calendar

Activity When Date Range
Transplant Outdoors May 9 May 9 – May 23
Harvest July 25 Jul 25 – Sep 19

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June
July Harvest
August Harvest
September Harvest
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

75–90 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 4b

📆 Growing Season

157 days in Stevens County

Growing Tips for Stevens County

Direct sow or start from divisions. Thrives in poor, dry soil. Harvest stems just before flowering. Deadhead to prevent aggressive self-seeding. Very drought-tolerant once established.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Horehound in Stevens County, MN?

Stevens County is in Zone 4b with an average last frost of May 2. Plan your Horehound planting based on this frost date — see the calendar above for exact timing.

What planting zone is Stevens County, MN?

Stevens County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is May 2 and first fall frost is October 6.

When should I plant Horehound in Stevens County, MN?

In Stevens County, MN, plant Horehound after the last frost (around May 2) and before the first frost (around October 6). Best results when soil holds above 50°F.

What growing zone is Stevens County, MN for Horehound?

Stevens County sits in USDA Zone 4b. Horehound grows reliably in zones 3a through 10b, so it's a good fit here.

Can Horehound grow in Stevens County's climate?

Yes — Horehound grows well in Stevens County's temperate climate. Stevens County averages a 157-day frost-free season, with last frost around May 2 and first frost around October 6.

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Your Stevens County Garden Planner — Free

A 22-page printable planner built for Stevens 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.

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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 Stevens County, MN. Local conditions may vary. Last updated: July 2026.

Sources & credits

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