When to Plant Echinacea in Haines Borough, AK
Echinacea (purple coneflower) is a native prairie perennial valued for its immune-supporting properties and beautiful daisy-like flowers that attract pollinators.
Haines Borough, Alaska is in USDA Zone 6a. The average last spring frost is May 7 and the first fall frost is September 29, giving you a growing season of approximately 145 days.
At an elevation of 1,921 feet, Haines Borough receives approximately 57.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 68°F, so choose short-season varieties of Echinacea to ensure they mature before fall. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Echinacea root diseases.
Haines Borough Soil Profile
Soil Type
Silt Loam
Soil pH
4.9-6.4
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 — Haines Borough, AK
Echinacea Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 14 | May 14 – May 28 |
| Harvest | September 17 | Sep 17 – Nov 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 | — |
| 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
145 days
Growing Tips for Haines Borough
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 Haines Borough, AK?
Haines Borough is in Zone 6a with an average last frost of May 7. Plan your Echinacea planting based on this frost date — see the calendar above for exact timing.
What planting zone is Haines Borough, AK?
Haines Borough, Alaska is in USDA Hardiness Zone 6a. The average last spring frost is May 7 and first fall frost is September 29.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Haines Borough gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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