Oak Summit Nursery
Indigo Treat Haskap
Indigo Treat Haskap
Fall 2026 plant sale
Fall plant ordering opens in September. Shipping begins in October 2026.
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Indigo Treat is part of the U of S Indigo series and is more compact and upright than Indigo Gem. The fruit is smaller and firmer with a more intense sweet and tart flavor.
Indigo Treat is not self fertile and needs another haskap that blooms at the same time. Strong partners include Berry Blue and Honey Bee.
| Bloom period | Early season |
|---|---|
| Pollination group | Early blooming U of S |
| Best partners | Berry Blue, Honey Bee |
Cold Hardiness Zone: 2
Mature Size: 3 to 4 ft tall and wide
Fall 2026 plant sale
Plants are sold seasonally after nursery stock is counted. Fall ordering opens in September and shipping begins in October 2026. Add a reminder and we will email when this listing opens.
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Growing details
- Hardiness label
- Zone 1 in the source; zone system not identified or converted
- General ripening reference
- Late June to early July in general haskap guidance; not an Indigo Treat or Manitoba trial
- General growth habit
- Haskap shrubs generally do not tend to sucker; not a clone-specific count
- Growing site
- Full sun preferred; well-drained loam or sandy loam; keep new shrubs moist but not waterlogged for 2-3 weeks
- Flavour
- Described as sweet
- Pollination
- Requires a different overlapping-bloom cultivar; Honey Bee is named for the Indigo series
- Berry mass reference
- 1.41 g in the USask cultivar table; statistic not defined as mean or maximum
Cold hardinessZone 2 · Canadian maps for this plant
Zone 2 and warmer
The map shows minimum winter hardiness. Soil, moisture and summer warmth also affect how a plant grows.
About these maps
Climate: Natural Resources Canada, 1991–2020. Provincial distribution: VASCAN via retained botanical research. Province outlines: Natural Earth, public domain.
Open Government Licence – Canada