When to plant Borage in Pine County, MN
In Pine County, plant Borage in spring between May 3 and May 24, once soil temps hold above 50°F. Pine County's last frost averages May 10, so be cautious and check the 10-day forecast before planting tender crops. For a fall crop, sow between July 7 and July 21 — roughly 50–60 days before the first frost on September 29.
When to Plant Borage in Pine County, MN
Top priorities for Pine County, Minnesota gardeners in July
Here's what deserves your attention in Pine County, Minnesota this month. Everything below is tailored to Zone 4a and timed around your local frost dates.
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Start harvesting borage
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
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Sow borage for an autumn harvest
A row cover ready in the garage extends your harvest by weeks once the nights turn cold.
A few tasks this July that'll pay off in August
- First harvests: borage
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.
Pine County, Minnesota is in USDA Zone 4a. The average last spring frost is May 10 and the first fall frost is September 29, giving you a growing season of approximately 142 days.
At an elevation of 538 feet, Pine County receives approximately 33.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Borage to ensure they mature before fall.
Pine County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Borage Planting Timeline — Pine County, MN
Borage Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 29 | Mar 29 – Apr 12 |
| Transplant Outdoors | May 3 | May 3 – May 17 |
| Direct Sow | May 3 | May 3 – May 24 |
| Harvest | June 28 | Jun 28 – Aug 16 |
| Fall Sowing | July 7 | Jul 7 – Jul 21 |
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 4a
📆 Growing Season
142 days in Pine County
Growing Tips for Pine 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 Pine County, MN?
Pine County is in Zone 4a with an average last frost of May 10. Plan your Borage planting based on this frost date — see the calendar above for exact timing.
What planting zone is Pine County, MN?
Pine County, Minnesota is in USDA Hardiness Zone 4a. The average last spring frost is May 10 and first fall frost is September 29.
When should I plant Borage in Pine County, MN?
In Pine County, MN, plant Borage after the last frost (around May 10) and before the first frost (around September 29). Best results when soil holds above 50°F.
What growing zone is Pine County, MN for Borage?
Pine County sits in USDA Zone 4a. Borage grows reliably in zones 3a through 11b, so it's a good fit here.
Can Borage grow in Pine County's climate?
Yes — Borage grows well in Pine County's temperate climate. Pine County averages a 142-day frost-free season, with last frost around May 10 and first frost around September 29.
Your Pine County Garden Planner — Free
A 22-page printable planner built for Pine County (Zone 4a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.