Blog

When to Plant Horehound in Webster County, MS

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

Webster County, Mississippi is in USDA Zone 7b. The average last spring frost is March 23 and the first fall frost is November 7, giving you a growing season of approximately 229 days.

At an elevation of 135 feet, Webster County receives approximately 56.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93ยฐF, providing good warmth for Horehound during the growing season. Clay soil retains moisture well for Horehound, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Horehound root diseases.

Webster County, MS (Zone 7b) Long season
229 days
Last Spring Frost March 23
229 growing days
First Fall Frost November 7

Webster County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (90 days to spare)
Transplant: Mar 22 🍅 Harvest: Jun 7 – Aug 2
Recommended (50%) ✓ Fits season (89 days to spare)
Transplant: Mar 30 🍅 Harvest: Jun 15 – Aug 10
Safe Start (90%) ✓ Fits season (88 days to spare)
Transplant: Apr 19 🍅 Harvest: Jul 5 – Aug 30

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Webster County

How your county's soil matches Horehound's growing requirements.

Soil pH

Your soil pH (5.6โ€“6.2) is more acidic than Horehound prefers (6.0โ€“8.0). Add garden lime to raise pH.

Soil Texture

The clay loam soil in Webster County is excellent for Horehound โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.6%). Annual compost additions will help Horehound.

How to Plant Horehound

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Succession Planting Horehound

3
successive plantings in your 229-day season

Sow every 8.6 weeks. Last sowing by Aug 09 to harvest before frost.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Horehound

Horehound needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Horehound Needs Rainfall You Supplement Action
Jan โ€” 5.1" 0" โ„๏ธ Dormant
Feb โ€” 4.2" 0" โ„๏ธ Dormant
Mar 2.2" 5.5" 0" โœ… Rainfall sufficient
Apr 2.2" 3.9" 0" โœ… Rainfall sufficient
May 2.2" 4.1" 0" โœ… Rainfall sufficient
Jun 2.2" 4.9" 0" โœ… Rainfall sufficient
Jul 2.2" 5.4" 0" โœ… Rainfall sufficient
Aug 2.2" 6.2" 0" โœ… Rainfall sufficient
Sep 2.2" 4.6" 0" โœ… Rainfall sufficient
Oct 2.2" 3.9" 0" โœ… Rainfall sufficient
Nov 2.2" 4.6" 0" โœ… Rainfall sufficient
Dec โ€” 4.1" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Marโ€“Nov in Webster County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Horehound Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Horehound needs ~1,629 GDD — county provides 4,522 GDD Excellent fit

Horehound Planting Timeline โ€” Webster County, MS

Horehound Planting Calendar

Activity When Date Range
Transplant Outdoors March 30 Mar 30 โ€“ Apr 13
Harvest June 15 Jun 15 โ€“ Aug 10

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.5"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

75โ€“90 days

๐Ÿงช Soil pH

Needs 6โ€“8 ยท Your soil: too_acidic

๐Ÿ—บ๏ธ USDA Zone

Zone 7b

๐Ÿ“† Growing Season

229 days in Webster County

Growing Tips for Horehound in Webster County

Direct sow Horehound outdoors after March 23 in Webster County when soil has warmed and frost danger has passed.

With Webster County's clay soil (28% clay), work in 3-4 inches of compost before planting Horehound. Avoid tilling when soil is wet to prevent compaction.

General growing tips

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 Webster County, MS?

Webster County is in Zone 7b with an average last frost of March 23. Plan your Horehound planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Webster County, MS?

Webster County, Mississippi is in USDA Hardiness Zone 7b. The average last spring frost is March 23 and first fall frost is November 7.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Webster County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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