Diablo Ninebark vs Blue Treasure Haskap (Honeyberry) - TreeTime.ca

Diablo Ninebark vs Blue Treasure Haskap (Honeyberry)

Lonicera caerulea Blue Treasure

Physocarpus opulifolius Diablo

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Diablo Ninebark

Blue Treasure Haskap is a late season cultivar, ideal for cooler climates, and a favorite from Berries Unlimited. The berries are delectably sweet and ideal for fresh eating, but can also be made into jam, juice, and wine.

Blue Treasure is a late pollinating variety. Pair with other late pollinators to have a higher yield.
Kawai is a great companion variety.

Diablo Ninebark is a small, low maintenance, multi-stemmed shrub, that is used to add texture or color to any yard. This plant grows dark purple leaves in the spring and grows slightly faster than Common Ninebark. It features flaky red to brown bark, clusters of white flowers, and long, maple-like leaves. Diablo Ninebark can make a dense and colorful hedge, or it can be an attractive ornamental by itself.

Blue Treasure Haskap (Honeyberry) Quick Facts

Diablo Ninebark Quick Facts

Zone: 2a
Zone: 3a
Height: 1.5 m (5 ft)
Height: 2.4 m (8 ft)
Spread: 1.5 m (5 ft)
Spread: 1.8 m (6 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: normal
Moisture: dry, normal
Growth rate: medium
Growth rate: fast
Life span: medium
Life span: short
Suckering: low
Suckering: low
Maintenance: medium
Maintenance: medium


Foliage: reddish-purple
Fall colour: yellow
Bark: brown to red, exfoliating
Flowers: white
Berries: oval, heart shape blue-purple berries
Berries: red
Flavor: sweet
Harvest: very late, mid June to mid July
Seeds: inflated seed capsules
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: blue treasure honeyberry, haskap, honeyberry
Other Names: eastern ninebark, purple ninebark