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Dolgo Crab Apple vs Ottawa 3 Rootstock

Malus x Dolgo

Robin crab X Malling 9 ((Malus baccata X Malus sylvestris) x Malling 9)

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Dolgo Crab Apple
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Dolgo Crab Apple is one of the hardiest species of crab apple.

This fruit tree accent tree combination is commonly used in urban landscapes.

Dolgo Crab Apple produces clusters of white flowers before its deep green foliage emerges. Its small apple-like fruit is great for jams and jellies.

Ottawa 3 Rootstock is the most dwarfing rootstock to come out of the cold-hardy breeding program by the Agricultural Canada Research Station in Ottawa. It produces dwarf to semi-dwarf trees that are 45-55% of standard size. Due to its superior hardiness, it is well adapted to Canadian weather conditions.

It originates from Malling 9 (M.9) and the Robin Crab and is considered more dwarfing than Malling 26 (M.26) and more vigorous than Malling 9. Ottawa 3 Rootstock is very productive and bears fruit early, often requiring structural support when young.

DOLGO CRAB APPLE QUICK FACTS

OTTAWA 3 ROOTSTOCK QUICK FACTS

Zone: 2a
Zone: 2a
Height: 10 m (33 ft)
Height: 3 m (10 ft)
Spread: 10 m (33 ft)
Spread: 2.4 m (8 ft)
Moisture: dry, normal
Moisture: normal
Light: full sun
Light: partial shade, full sun
Flowers: white
Growth rate: medium
Growth rate: medium
Life span: medium
Life span: medium
Maintenance: medium
Maintenance: medium
Suckering: none
Suckering: low





Other Names: dolgo apple
Other Names: o.3 rootstock