Growing Borage in Zone 2a
Zone 2a has harsh winters and a short growing season. Start Borage early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 15.
Planting Calendar
May 1Sep 15
Season: May 15 – Sep 15 (123 days)
Zone2a
Last FrostMay 15
First FrostSep 15
Season Length123 days
Days to Harvest55
SunFull Sun
Frost ToleranceLight
Spacing18/sqft
When to Plant Borage in Zone 2a
Sow Seeds Outdoors: May 1
Direct sow Borage seeds outdoors around May 1. Soil temperature should be at least 50°F. Space at 18/sqft.
Harvest: Jun 25
First harvest approximately Jun 25 (~55 days from planting). Continue harvesting until first frost (Sep 15).
Companion Planting
Borage in Other Zones
1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13bPlan Your Borage Garden
Track Borage from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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