When to Plant Tatsoi in Cowley County, KS
Tatsoi is a compact Asian green forming beautiful rosettes of dark, spoon-shaped leaves with a mild mustard flavor. It is extremely cold-hardy and versatile.
Cowley County, Kansas is in USDA Zone 6b. The average last spring frost is April 11 and the first fall frost is October 25, giving you a growing season of approximately 197 days.
At an elevation of 708 feet, Cowley County receives approximately 31.8 inches of rainfall annually with predominantly loam soil. Summer highs average 87°F, providing good warmth for Tatsoi during the growing season.
Cowley County Soil Profile
Soil Type
Loam
Soil pH
6.4-7.3
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
Tatsoi Planting Timeline — Cowley County, KS
Tatsoi Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 7 | Mar 7 – Mar 21 |
| Transplant Outdoors | April 11 | Apr 11 – Apr 25 |
| Direct Sow | March 28 | Mar 28 – Apr 18 |
| Fall Sowing | August 16 | Aug 16 – Aug 30 |
| Harvest | May 16 | May 16 – Jun 20 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
35–50 days
Soil pH
6 – 7.5
USDA Zone
Zone 6b
Growing Season
197 days
Growing Tips for Cowley County
Direct sow in spring or fall. Tatsoi tolerates frost down to 15F. Harvest outer leaves or cut whole rosettes. Excellent in salads, stir-fries, or lightly wilted.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Tatsoi in Other Locations
Frequently Asked Questions
When should I plant Tatsoi in Cowley County, KS?
Cowley County is in Zone 6b with an average last frost of April 11. Plan your Tatsoi planting based on this frost date — see the calendar above for exact timing.
What planting zone is Cowley County, KS?
Cowley County, Kansas is in USDA Hardiness Zone 6b. The average last spring frost is April 11 and first fall frost is October 25.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Cowley County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.
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