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Ambassador Flowering Crab

Malus 'DurBy'

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Ambassador Flowering Crab (Malus 'DurBy') at Eagle Lake Nurseries

Ambassador Flowering Crab in bloom

Ambassador Flowering Crab in bloom

(Photo courtesy of NetPS Plant Finder)

Ambassador Flowering Crab (Malus 'DurBy') at Eagle Lake Nurseries

Ambassador Flowering Crab flowers

Ambassador Flowering Crab flowers

(Photo courtesy of NetPS Plant Finder)

Height:  30 feet

Spread:  15 feet

Sunlight:  full sun 

Hardiness Zone:  4a

Other Names:  Roseybloom, Crabapple


A beautiful and hardy cultivar with an upward narrow habit; covered in deep pink blooms in spring; fruit is dark red, small and persistent and adds ornamental value for fall and winter; an excellent street tree; highly disease resistant

Ornamental Features

Ambassador Flowering Crab is draped in stunning clusters of fragrant pink flowers along the branches in mid spring, which emerge from distinctive red flower buds before the leaves. The fruits are showy dark red pomes carried in abundance from late summer to early winter. It has burgundy foliage with hints of purple which emerges purple in spring. The pointy leaves turn an outstanding coppery-bronze in the fall.

Landscape Attributes

Ambassador Flowering Crab is a dense deciduous tree with a narrowly upright and columnar growth habit. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This tree will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. It is a good choice for attracting birds to your yard. It has no significant negative characteristics.

Ambassador Flowering Crab is recommended for the following landscape applications;

  • Accent
  • Shade
  • General Garden Use

Planting & Growing

Ambassador Flowering Crab will grow to be about 30 feet tall at maturity, with a spread of 15 feet. It has a low canopy with a typical clearance of 4 feet from the ground, and is suitable for planting under power lines. It grows at a medium rate, and under ideal conditions can be expected to live for 50 years or more.

This tree should only be grown in full sunlight. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This particular variety is an interspecific hybrid.

Hardiness Zone Plant Height Minimum Sunlight
Accent  Shade  Garden 
Flowers  Fruit  Fall Color  Attracts Wildlife 
Ornamental Features