berry variety in zone 4b
Thiessen saskatoon (serviceberry) in zone 4b
Thiessen · Amelanchier alnifolia
- Zone
- 4b -25°F to -20°F
- Growing season
- 130 days
- Chill needed
- 1000 to 1500 below 45°F
- Days to harvest
- 60 to 80
The verdict
Detailed guidance for this section is being prepared. Check back soon.
About Thiessen
Very sweet, mild, the largest fruit of any saskatoon; fresh eating premium. Early-ripening Canadian selection, self-fertile and reliable.
Critical timing for zone 4b
Detailed guidance for this section is being prepared. Check back soon.
Common challenges in zone 4b
- ▸ Spring frost timing
- ▸ Apple scab pressure
- ▸ Cane berry winter dieback
Modified care for zone 4b
Detailed guidance for this section is being prepared. Check back soon.
Thiessen in adjacent zones
Other saskatoon (serviceberry) varieties for zone 4b
- Northline
Sweet, rich, almond-blueberry character; fresh and processing. Productive Saskatchewan selection with concentr…
- Regent
Sweet, mild, dark blue-purple berries; fresh and processing. Compact 4-6 ft habit, ornamental as well as produ…
- Smoky
Sweet, mild, almond-blueberry flavor with hint of marzipan; fresh, jam, baking, drying. The Canadian commercia…
Frequently asked questions
- Will Thiessen saskatoon (serviceberry) grow in zone 4b?
Yes. Thiessen is recommended for USDA zones 3b through 6b, which includes zone 4b.
- Are there enough chill hours in zone 4b?
Saskatoon (Serviceberry) needs 1000 to 1500 chill hours. Zone 4b typically meets this range; check local microclimate against historical chill totals to confirm.
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Image: "Saskatoon", by Corvi Zeman, via iNaturalist, licensed under CC-BY Source.
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