Serviceberry 'Rainbow Pillar' is a deciduous flowering tree in the Rosaceae family that grows 15 to 20 feet tall and 10 to 15 feet wide, thriving in hardiness zones 4-7. This Amelanchier canadensis cultivar produces showy, slightly fragrant white flowers in drooping clusters that emerge before the leaves in early spring, typically from April to May, followed by edible dark purple-black berries that ripen through the summer. The finely toothed green leaves turn a brilliant orange-red in autumn, providing season-long interest while attracting birds and butterflies to the garden.
Partial Sun
Moderate
4-7
240in H x 180in W
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Moderate
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Early spring blooms arrive before most other trees leaf out, creating an ethereal display of white flowers on bare branches. The fruit transitions from green to red to deep purple-black, offering visual interest for months while feeding songbirds and pollinators. This variety handles urban conditions and clay soils with ease, making it a reliable choice where other ornamentals struggle, and its low maintenance needs mean you can simply enjoy the show rather than fuss over it.
Serviceberry works beautifully as a multi-season flowering tree, earning its place in ornamental landscapes for its spring bloom, summer fruit display, and fall color. The edible berries can be eaten fresh or used for jams and preserves, though birds usually claim most of the harvest. Its upright habit and moderate size make it excellent as a specimen tree or incorporated into a flowering hedge.
No timeline data available yet for this variety.
Berries ripen in mid to late summer, transitioning from green to red to dark purple-black. Harvest when fully dark purple-black and slightly soft to the touch for the best sweetness. Pick berries by hand, gently rolling them off the branch. Be prepared to share your harvest with birds, which relish the fruit as much as gardeners do.
Serviceberry naturally develops an attractive multi-stemmed or single-trunk form depending on how you manage root suckers. Remove suckers at ground level if you prefer a tree-like appearance rather than a shrubby habit. Prune immediately after flowering in late spring if you need to shape the tree or remove dead or crossing branches; avoid heavy pruning during dormancy, which can encourage excessive sucker growth.
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