When to Plant Horehound in Montgomery County, IN
Horehound is a woolly, drought-tolerant perennial herb traditionally used for cough remedies and candy. It has a distinctive bitter, menthol-like flavor.
Montgomery County, Indiana is in USDA Zone 5b. The average last spring frost is April 22 and the first fall frost is October 14, giving you a growing season of approximately 175 days.
At an elevation of 518 feet, Montgomery County receives approximately 35.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Horehound during the growing season.
Montgomery County Soil Profile
Soil Type
Silt Loam
Soil pH
6.1-6.9
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
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Horehound Planting Timeline — Montgomery County, IN
Horehound Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 29 | Apr 29 – May 13 |
| Harvest | July 15 | Jul 15 – Sep 9 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| 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
6 – 8
USDA Zone
Zone 5b
Growing Season
175 days
Growing Tips for Montgomery 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 Montgomery County, IN?
Montgomery County is in Zone 5b with an average last frost of April 22. Plan your Horehound planting based on this frost date — see the calendar above for exact timing.
What planting zone is Montgomery County, IN?
Montgomery County, Indiana is in USDA Hardiness Zone 5b. The average last spring frost is April 22 and first fall frost is October 14.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Montgomery County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
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