berry variety in zone 4a
Borealis honeyberry (haskap) in zone 4a
Borealis · Lonicera caerulea
- Zone
- 4a -30°F to -25°F
- Growing season
- 120 days
- Chill needed
- 1500 to 2000 below 45°F
- Days to harvest
- 30 to 50
The verdict
Detailed guidance for this section is being prepared. Check back soon.
About Borealis
Sweet-tart, intense flavor with raspberry-blueberry notes, large soft berries; fresh, jam, syrup. Saskatchewan release, the standard pollinator partner for Aurora.
Critical timing for zone 4a
Detailed guidance for this section is being prepared. Check back soon.
Common challenges in zone 4a
- ▸ Late frosts damage early bloomers
- ▸ Limited peach varieties
Modified care for zone 4a
Detailed guidance for this section is being prepared. Check back soon.
Borealis in adjacent zones
Other honeyberry (haskap) varieties for zone 4a
- Aurora
Sweet-tart, complex blueberry-grape-raspberry flavor, soft elongated dark-blue berries; fresh, jam, baking, fr…
- Indigo Treat
Sweet-tart, rich complex flavor; fresh and jam. Cornell-evaluated cultivar with reliable productivity in north…
- Tundra
Sweet-tart, balanced flavor, firmer than other haskaps; fresh, processing, mechanical harvest. Productive Sask…
Frequently asked questions
- Will Borealis honeyberry (haskap) grow in zone 4a?
Yes. Borealis is recommended for USDA zones 3a through 6b, which includes zone 4a.
- Are there enough chill hours in zone 4a?
Honeyberry (Haskap) needs 1500 to 2000 chill hours. Zone 4a typically meets this range; check local microclimate against historical chill totals to confirm.
+−
+−
Image: "Lonicera coerulea a3", by Opioła Jerzy (Poland), via Wikimedia Commons, licensed under CC-BY Source.
Related