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When to Plant Horehound in Stutsman County, ND

Stutsman County, North Dakota Zone 4a May

Your May gardening checklist

May rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Stutsman County, North Dakota.

Avg. last frost May 9
Avg. first frost September 30
Soil temp (4") 53°F
Watering Low
Pest pressure Low
Daylight 14.9 hrs
  1. Harden off and plant horehound

    Pick a cloudy afternoon or evening to plant. Less transplant shock, and your seedlings will barely blink.

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

Stutsman County, North Dakota is in USDA Zone 4a. The average last spring frost is May 9 and the first fall frost is September 30, giving you a growing season of approximately 144 days.

At an elevation of 907 feet, Stutsman County receives approximately 28.3 inches of rainfall annually with predominantly loam soil. Summer highs average 81°F, so choose short-season varieties of Horehound to ensure they mature before fall.

Stutsman County, ND (Zone 4a) Short season
144 days
Last Spring Frost May 9
144 growing days
First Fall Frost September 30
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Stutsman County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.3

Drainage

Well Drained

Monthly Watering Guide for Horehound

Horehound needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Horehound Needs Rainfall You Supplement Action
Jan 0.8" 0" ❄️ Dormant
Feb 1" 0" ❄️ Dormant
Mar 2.1" 0" ❄️ Dormant
Apr 2.9" 0" ❄️ Dormant
May 4.3" 4.1" 0.2" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 3.4" 0.9" 💧 Light watering
Aug 4.3" 3.3" 1" 💧 Light watering
Sep 4.3" 2.6" 1.7" 💧 Light watering
Oct 2.1" 0" ❄️ Dormant
Nov 1.1" 0" ❄️ Dormant
Dec 0.7" 0" ❄️ Dormant

Water needs are for active growing months only (May–Sep in Stutsman County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Horehound Planting Timeline — Stutsman County, ND

Horehound Planting Calendar

Activity When Date Range
Transplant Outdoors May 16 May 16 – May 30
Harvest August 1 Aug 1 – Sep 26

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June
July
August Harvest
September Harvest
October
November
December
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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 4a

📆 Growing Season

144 days in Stutsman County

Growing Tips for Stutsman 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 Stutsman County, ND?

Stutsman County is in Zone 4a with an average last frost of May 9. Plan your Horehound planting based on this frost date — see the calendar above for exact timing.

What planting zone is Stutsman County, ND?

Stutsman County, North Dakota is in USDA Hardiness Zone 4a. The average last spring frost is May 9 and first fall frost is September 30.

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Your Stutsman County Garden Planner — Free

A 24-page printable planner built for Stutsman County (Zone 4a). 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 Stutsman County, ND. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.