my LocalPlanting

When to Plant Borage in Buhl, Minnesota (55713)

Location

Buhl, Minnesota

ZIP Code

55713

USDA Zone

3b

Last Frost

Wednesday, May 20, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Wednesday, May 27, 2026

Based on last frost Wednesday, May 20, 2026 · Zone 3b

Pro tip: Sow Borage directly outdoors 1 week after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Borago officinalis
Days to Maturity 60 days
Mature Height 18-36"
Spread 24"
Type Annual

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 7-14 days

Ready to Plant Borage in Buhl?

Get your seeds now so they're ready by Wednesday, May 27, 2026.

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

TomatoSquashStrawberryPepper

⚠️ Avoid Planting Near

Fennel
🤝

Full Companion Planting Guide for Borage

See which plants help Borage thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

* Affiliate links — we may earn a small commission at no extra cost to you.

🌾 Seed Saving Guide

🟢 Easy
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Seeds ripen quickly and drop — check daily once flowers fade, or collect from the ground below the plant.

Processing

Collect dark nutlets (seeds) directly — they're large and easy to handle. Dry a few days before storing.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Borage self-sows prolifically — expect volunteers every year once established in the garden.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 14 plants of Borage. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Borage in Buhl, Minnesota? +

In Buhl (Zone 3b), direct sow Borage outdoors around Wednesday, May 27, 2026.

What is the last frost date for Buhl, Minnesota? +

The average last spring frost date for Buhl, Minnesota (ZIP 55713) is around Wednesday, May 20, 2026. This is based on NOAA climate normals for USDA Zone 3b.

How long does Borage take to grow? +

Borage typically matures in about 60 days from direct sowing. In Buhl, that means you can expect harvest around Wednesday, May 27, 2026 plus 60 days.

Should I start Borage indoors or direct sow in Minnesota? +

Borage does best when direct sown outdoors. In Buhl, sow directly around Wednesday, May 27, 2026.

Other Plants for Buhl

Growing Borage in Zone 3b

Borage (Borago officinalis) is a popular garden vegetable. In Buhl, Minnesota, which is in USDA Hardiness Zone 3b, you should direct sow seeds around Wednesday, May 27, 2026.

Your average last frost date is Wednesday, May 20, 2026. Borage grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.