When to Plant Echinacea in Prairie County, AR
Echinacea (purple coneflower) is a native prairie perennial valued for its immune-supporting properties and beautiful daisy-like flowers that attract pollinators.
Prairie County, Arkansas is in USDA Zone 7b. The average last spring frost is March 19 and the first fall frost is November 8, giving you a growing season of approximately 234 days.
At an elevation of 1,026 feet, Prairie County receives approximately 51.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Echinacea during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Echinacea root diseases.
Prairie County Soil Profile
Soil Type
Silt Loam
Soil pH
5.5-6.8
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
Echinacea Planting Timeline — Prairie County, AR
Echinacea Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | March 26 | Mar 26 – Apr 9 |
| Harvest | July 30 | Jul 30 – Nov 5 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Transplant Outdoors |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | Harvest |
| August | Harvest |
| 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 7b
Growing Season
234 days
Growing Tips for Prairie 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 Prairie County, AR?
Prairie County is in Zone 7b with an average last frost of March 19. Plan your Echinacea planting based on this frost date — see the calendar above for exact timing.
What planting zone is Prairie County, AR?
Prairie County, Arkansas is in USDA Hardiness Zone 7b. The average last spring frost is March 19 and first fall frost is November 8.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Prairie County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.
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