When to plant Borage in Anchorage Municipality, AK
For Anchorage Municipality, gardeners: plant Borage May 1 through May 22 once soil reads 50°F. A second sowing from July 11 to July 25 extends the harvest into fall.
When to Plant Borage in Anchorage Municipality, AK
Borage is a self-seeding annual herb with star-shaped blue flowers that attract pollinators. Its leaves have a cucumber-like flavor and the flowers are edible.
Anchorage Municipality, Alaska is in USDA Zone 5a. The average last spring frost is May 15 and the first fall frost is September 19, giving you a growing season of approximately 127 days.
At an elevation of 2,537 feet, Anchorage Municipality receives approximately 20.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 71°F, so choose short-season varieties of Borage to ensure they mature before fall.
Anchorage Municipality Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Borage Planting Timeline — Anchorage Municipality, AK
Borage Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 10 | Apr 10 – Apr 24 |
| Transplant Outdoors | May 8 | May 8 – May 22 |
| Direct Sow | May 1 | May 1 – May 22 |
| Harvest | July 3 | Jul 3 – Aug 21 |
| Fall Sowing | July 11 | Jul 11 – Jul 25 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Fall Sowing Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Low — drought tolerant
📅 Days to Maturity
50–60 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
127 days in Anchorage Municipality
Growing Tips for Anchorage Municipality
Direct sow in spring as borage does not transplant well. Allow some plants to go to seed for next year. Young leaves are best; older leaves become bristly.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Borage in Other Locations
Frequently Asked Questions
When should I plant Borage in Anchorage Municipality, AK?
Anchorage Municipality is in Zone 5a with an average last frost of May 15. Plan your Borage planting based on this frost date — see the calendar above for exact timing.
What planting zone is Anchorage Municipality, AK?
Anchorage Municipality, Alaska is in USDA Hardiness Zone 5a. The average last spring frost is May 15 and first fall frost is September 19.
When should I plant Borage in Anchorage Municipality, AK?
In Anchorage Municipality, AK, plant Borage after the last frost (around May 15) and before the first frost (around September 19). Best results when soil holds above 50°F.
What growing zone is Anchorage Municipality, AK for Borage?
Anchorage Municipality sits in USDA Zone 5a. Borage grows reliably in zones 3a through 11b, so it's a good fit here.
Can Borage grow in Anchorage Municipality's climate?
Yes — Borage grows well in Anchorage Municipality's temperate climate. Anchorage Municipality averages a 127-day frost-free season, with last frost around May 15 and first frost around September 19.
Your Anchorage Municipality Garden Planner — Free
A 22-page printable planner built for Anchorage Municipality (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.