When to plant Borage in Hubbard County, MN
For Borage in Hubbard County, the safe spring window opens around May 5 and closes around May 26. Last expected frost is May 12, first fall frost September 27, giving a 138-day growing season. A second sowing from July 5 to July 19 extends the harvest into fall.
When to Plant Borage in Hubbard County, MN
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.
Hubbard County, Minnesota is in USDA Zone 3b. The average last spring frost is May 12 and the first fall frost is September 27, giving you a growing season of approximately 138 days.
At an elevation of 733 feet, Hubbard County receives approximately 32.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 79°F, so choose short-season varieties of Borage to ensure they mature before fall.
Hubbard County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Borage Planting Timeline — Hubbard County, MN
Borage Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 31 | Mar 31 – Apr 14 |
| Transplant Outdoors | May 5 | May 5 – May 19 |
| Direct Sow | May 5 | May 5 – May 26 |
| Harvest | June 30 | Jun 30 – Aug 18 |
| Fall Sowing | July 5 | Jul 5 – Jul 19 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| 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 3b
📆 Growing Season
138 days in Hubbard County
Growing Tips for Hubbard County
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 Hubbard County, MN?
Hubbard County is in Zone 3b with an average last frost of May 12. Plan your Borage planting based on this frost date — see the calendar above for exact timing.
What planting zone is Hubbard County, MN?
Hubbard County, Minnesota is in USDA Hardiness Zone 3b. The average last spring frost is May 12 and first fall frost is September 27.
When should I plant Borage in Hubbard County, MN?
In Hubbard County, MN, plant Borage after the last frost (around May 12) and before the first frost (around September 27). Best results when soil holds above 50°F.
What growing zone is Hubbard County, MN for Borage?
Hubbard County sits in USDA Zone 3b. Borage grows reliably in zones 3a through 11b, so it's a good fit here.
Can Borage grow in Hubbard County's climate?
Yes — Borage grows well in Hubbard County's temperate climate. Hubbard County averages a 138-day frost-free season, with last frost around May 12 and first frost around September 27.
Your Hubbard County Garden Planner — Free
A 22-page printable planner built for Hubbard County (Zone 3b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.