Can You Grow Borage in Canadian Zone 6?
Borage grows well in Canadian Zone 6
Borage grows easily anywhere in your zone — direct sow and let it self-seed for years of free plants.
📅 When to Plant in Canadian Zone 6
Based on Canadian Zone 6's average last frost of early April and first frost of late October — frost can arrive earlier or later in any given year, so check your local forecast before you transplant.
🌱 Growing Borage in Canadian Zone 6
Direct sow after last frost — hates transplanting. Self-seeds so aggressively you plant it once and it returns every year. Great companion plant for tomatoes and strawberries. Harvest flowers daily to encourage more blooms.
🗺️ Canadian Plant Hardiness Zones
Canadian Plant Hardiness Zone Map (2014) — Agriculture & Agri-Food Canada / Canadian Forest Service
Canadian zones run 0–9 (coldest to warmest) — a separate system from USDA zones. Browse all Canadian zones →
Technical climate details for Canadian Zone 6
- USDA Zone
- 6
- Last Frost
- early April
- First Frost
- late October
- Frost-Free Days
- 212
- Borage Zone Range
- 2a – 11b
- Days to Harvest
- 50–60 days