When to Plant Echinacea in Grant County, KS
Echinacea (purple coneflower) is a native prairie perennial valued for its immune-supporting properties and beautiful daisy-like flowers that attract pollinators.
Grant County, Kansas is in USDA Zone 6a. The average last spring frost is April 21 and the first fall frost is October 17, giving you a growing season of approximately 179 days.
At an elevation of 1,096 feet, Grant County receives approximately 25.2 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Echinacea during the growing season.
Grant County Soil Profile
Soil Type
Loam
Soil pH
6.4-7.7
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
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Echinacea Planting Timeline — Grant County, KS
Echinacea Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 28 | Apr 28 – May 12 |
| Harvest | September 1 | Sep 1 – Nov 10 |
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 | — |
| August | — |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
120–180 days
Soil pH
6 – 7
USDA Zone
Zone 6a
Growing Season
179 days
Growing Tips for Grant County
Start seeds indoors 8-10 weeks before last frost or direct sow in fall for spring germination. Seeds need cold stratification. Deadhead to prolong blooming or leave seed heads for birds.
Companion Planting
Good Companions
Level Up Your Garden
Echinacea in Other Locations
Frequently Asked Questions
When should I plant Echinacea in Grant County, KS?
Grant County is in Zone 6a with an average last frost of April 21. Plan your Echinacea planting based on this frost date — see the calendar above for exact timing.
What planting zone is Grant County, KS?
Grant County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 21 and first fall frost is October 17.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Grant County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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