When to Plant Thyme in Richland County, OH
Thyme is a low-growing perennial herb with tiny, aromatic leaves and a warm, earthy flavor. It is one of the most versatile culinary and medicinal herbs.
Richland County, Ohio is in USDA Zone 5b. The average last spring frost is April 27 and the first fall frost is October 18, giving you a growing season of approximately 174 days.
At an elevation of 1,020 feet, Richland County receives approximately 34.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Thyme during the growing season.
Richland County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Thyme Planting Timeline — Richland County, OH
Thyme Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 4 | May 4 – May 18 |
| Harvest | July 13 | Jul 13 – Sep 14 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| 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
70–90 days
🧪 Soil pH
Needs 6–8 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
174 days in Richland County
Growing Tips for Richland County
Start from seed, cuttings, or divisions. Plant in well-drained, lean soil. Prune lightly after flowering. Replace plants every 3-4 years when they become woody.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Thyme in Other Locations
Frequently Asked Questions
When should I plant Thyme in Richland County, OH?
Richland County is in Zone 5b with an average last frost of April 27. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.
What planting zone is Richland County, OH?
Richland County, Ohio is in USDA Hardiness Zone 5b. The average last spring frost is April 27 and first fall frost is October 18.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Richland County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
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