Rosthern Columnar Crab Apple
Malus baccata 'Columnaris'
Rosthern Columnar Crab Apple in bloom
(Photo courtesy of NetPS Plant Finder)
Height: 16 feet
Spread: 6 feet
Hardiness Zone: 2b
A character ornamental for colder climates with fragrant white flowers in spring and persistent bright red fruit in fall, narrowly upright habit of growth; needs well-drained soil and full sun, an excellent choice for smaller landscapes
Rosthern Columnar Crab Apple is clothed in stunning clusters of fragrant white flowers along the branches in mid spring before the leaves. It has dark green foliage throughout the season. The pointy leaves turn yellow in fall. The fruits are showy yellow pomes displayed from early to mid fall. The fruit can be messy if allowed to drop on the lawn or walkways, and may require occasional clean-up.
Rosthern Columnar Crab Apple is a 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 is a high maintenance tree that will require regular care and upkeep, and usually looks its best without pruning, although it will tolerate pruning. It is a good choice for attracting birds to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;
Rosthern Columnar Crab Apple is recommended for the following landscape applications;
- Vertical Accent
Planting & Growing
Rosthern Columnar Crab Apple will grow to be about 16 feet tall at maturity, with a spread of 6 feet. It tends to be a little leggy, with a typical clearance of 3 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 is a selected variety of a species not originally from North America.