When to Plant Horehound in St. Clair County, AL
Horehound is a woolly, drought-tolerant perennial herb traditionally used for cough remedies and candy. It has a distinctive bitter, menthol-like flavor.
St. Clair County, Alabama is in USDA Zone 7b. The average last spring frost is March 27 and the first fall frost is November 1, giving you a growing season of approximately 219 days.
At an elevation of 211 feet, St. Clair County receives approximately 48.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89°F, 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.
St. Clair County Soil Profile
Soil Type
Clay Loam
Soil pH
5.3-6.8
Drainage
Well Drained
Plant Planting Risk Windows
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.
Plant Water Budget
Horehound Planting Timeline — St. Clair County, AL
Horehound Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 3 | Apr 3 – Apr 17 |
| Harvest | June 19 | Jun 19 – Aug 14 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
75–90 days
Soil pH
6 – 8
USDA Zone
Zone 7b
Growing Season
219 days
Growing Tips for St. Clair 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
Level Up Your Garden
Horehound in Other Locations
Frequently Asked Questions
When should I plant Horehound in St. Clair County, AL?
St. Clair County is in Zone 7b with an average last frost of March 27. Plan your Horehound planting based on this frost date — see the calendar above for exact timing.
What planting zone is St. Clair County, AL?
St. Clair County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is March 27 and first fall frost is November 1.
Plan Your Garden with Confidence
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