Quarryhill Botanical Garden

Advancing the Conservation, Study, and Cultivation of the Flora of Asia

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Featured Plants

Malus sieboldii

Siebold's Crabapple is a beautiful tree in every season.  It's modest size, 2-6 meters in the wild, and lovely show of flowers and fruit in spring and autumn respectively, make this a tree with many landscape design applications.  This example was grown from seed collected from the wild by Charles Howick, William McNamara, and Roger Warner on October 3, 1987 at c 210 meters elevation, from a large spreading bush growing on volcanic silt in a flat, open valley bottom with maple, ash, alder on the north side of Mt. Apoi in Hokkaido, Japan. 

This deciduous shrub has simple, serrate leaves, ovate to elliptical in shape, and often 3-lobed, rarely 5-lobed on young branches.  The 2-3 cm wide flowers, in groups of 4-8, are born in 4-6 cm wide corymbs that appear on the apices of young branches in April - June.  Red to brownish yellow pome fruits are somewhat globose in shape and 6-8 cm in diameter, appearing August - October.  It is native to China, Japan, and Korea. They thrive in full sun with moderate to regular water and must

Ideally, crabapples require plenty of over-winter cold for greater productivity (estimated as a minimum of 600 hours below 7° C).  They thrive in full sun with moderate to regular water and must be protected from typical rose family diseases (such as fireblight and mildews) and pests (such as scale, aphids, and apple moths) Prune only to define structure and remove suckers.