berry variety
Thiessen
Saskatoon (Serviceberry) · Amelanchier alnifolia
USDA hardiness range
- Zones
- 3b–6b
- Chill hours
- 1000 to 1500 below 45°F
- Days to harvest
- 60 to 80
- Sun
- Full
- Water
- Moderate
- Lifespan
- 30 to 50 years
At a glance
Very sweet, mild, the largest fruit of any saskatoon; fresh eating premium. Early-ripening Canadian selection, self-fertile and reliable.
Growing Thiessen
Detailed guidance for this section is being prepared. Check back soon.
Flavor, texture, and use
Detailed guidance for this section is being prepared. Check back soon.
Growing notes
Detailed guidance for this section is being prepared. Check back soon.
Thiessen by zone
Zone-specific suitability, frost timing, and adjacent-zone notes.
Other saskatoon (serviceberry) varieties
3 sibling cultivars profiled on ZonePlant.
- 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
- What zones does the Thiessen saskatoon (serviceberry) grow in?
Thiessen grows in USDA zones 3b through 6b.
- How does Thiessen compare to other saskatoon (serviceberry) varieties?
Thiessen is one of 4 saskatoon (serviceberry) varieties profiled on ZonePlant. See the full saskatoon (serviceberry) variety table for side-by-side comparison.
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Image: "Saskatoon", by Corvi Zeman, via iNaturalist, licensed under CC-BY Source.
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