Oak Summit Nursery
Indigo Gem Haskap
Indigo Gem Haskap
Fall 2026 plant sale
Fall plant ordering opens in September. Shipping begins in October 2026.
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Indigo Gem is part of the University of Saskatchewan Indigo series and was selected for early ripening, cold hardiness, and strong yields. The low spreading shrub produces medium oval berries with sweet tart flavour.
Indigo Gem is not self fertile and needs another haskap with overlapping bloom.
| Bloom Period | Early season, with a long bloom |
|---|---|
| Pollination Group | Early University of Saskatchewan |
| Best Partners | Aurora, Berry Blue, Polar Jewel |
Cold Hardiness Zone: 2
Mature Size: 4 to 5 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 Gem 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 and texture
- Sweet-tangy with a slightly chewy texture
- Pollination
- Requires a different overlapping-bloom cultivar; Honey Bee is named for the Indigo series
- Berry mass reference
- 1.30 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