Kerr Apple Crab vs Ottawa 3 Rootstock - TreeTime.ca

Kerr Apple Crab vs Ottawa 3 Rootstock

Malus x Kerr

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

COMING SOON

(new stock expected: fall of 2025)

NOT AVAILABLE THIS SEASON - MIGHT RETURN

Kerr Apple Crab
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Kerr Apple Crab is a cross between Dolgo and Haralson that originated in Manitoba. This hardy variety is so tasty that it is often compared to Golden Delicious. Kerr Apples keep well and are good for fresh eating, cooking, and juicing. As an ornamental, this tree blooms in mid-May with clusters of white flowers born from pink buds.

Note: We do not ship grafted apples to BC due to regulatory restrictions from the Canadian Food Inspection Agency.

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.

Kerr Apple Crab Quick Facts

Ottawa 3 Rootstock Quick Facts

Zone: 2b
Zone: 2a
Height: 6 m (20 ft)
Height: 3 m (10 ft)
Spread: 6 m (20 ft)
Spread: 2.4 m (8 ft)
Light: full sun
Light: partial shade, full sun
Moisture: normal
Moisture: normal
Growth rate: fast
Growth rate: medium
Life span: long
Life span: medium
Suckering: low
Suckering: low
Maintenance: medium
Maintenance: medium


Flowers: clusters of white flowers bloom from pink buds
Fruit: medium sized apples with red skin and yellow flesh, firm, crisp, juicy sweet but a pleasant acid to taste
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: o.3 rootstock