When to Plant Tarragon in Kit Carson County, CO
French tarragon is a perennial herb with slender leaves and a distinctive anise-like flavor essential in French cooking. It does not produce viable seed and must be propagated vegetatively.
Kit Carson County, Colorado is in USDA Zone 5a. The average last spring frost is May 9 and the first fall frost is October 8, giving you a growing season of approximately 152 days.
At an elevation of 6,382 feet, Kit Carson County receives approximately 23.2 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Tarragon during the growing season.
Kit Carson County Soil Profile
Soil Type
Loam
Soil pH
6.4-8
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
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Tarragon Planting Timeline — Kit Carson County, CO
Tarragon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 16 | May 16 – May 30 |
| Harvest | July 18 | Jul 18 – Sep 26 |
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
Moderate — regular watering
Days to Maturity
60–90 days
Soil pH
6 – 7.5
USDA Zone
Zone 5a
Growing Season
152 days
Growing Tips for Kit Carson County
Purchase plants or divisions as French tarragon does not grow true from seed. Plant in well-drained soil. Divide every 3-4 years to maintain vigor. Harvest tips regularly for best flavor.
Companion Planting
Good Companions
Level Up Your Garden
Tarragon in Other Locations
Frequently Asked Questions
When should I plant Tarragon in Kit Carson County, CO?
Kit Carson County is in Zone 5a with an average last frost of May 9. Plan your Tarragon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Kit Carson County, CO?
Kit Carson County, Colorado is in USDA Hardiness Zone 5a. The average last spring frost is May 9 and first fall frost is October 8.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Kit Carson County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.
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