When to Plant Thyme in Montgomery County, MO
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.
Montgomery County, Missouri is in USDA Zone 6a. The average last spring frost is April 10 and the first fall frost is October 26, giving you a growing season of approximately 199 days.
At an elevation of 911 feet, Montgomery County receives approximately 40 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Thyme during the growing season.
Montgomery County Soil Profile
Soil Type
Silt Loam
Soil pH
5.6-6.7
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
Thyme Planting Timeline — Montgomery County, MO
Thyme Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 17 | Apr 17 – May 1 |
| Harvest | June 26 | Jun 26 – Aug 28 |
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 | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
70–90 days
Soil pH
6 – 8
USDA Zone
Zone 6a
Growing Season
199 days
Growing Tips for Montgomery 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
Level Up Your Garden
Thyme in Other Locations
Frequently Asked Questions
When should I plant Thyme in Montgomery County, MO?
Montgomery County is in Zone 6a with an average last frost of April 10. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.
What planting zone is Montgomery County, MO?
Montgomery County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 10 and first fall frost is October 26.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Montgomery County gardeners in Zone 6a 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.