Callery Pear

You recognize Callery Pear by its upright, pyramidal form and early spring bloom of white flowers held in tight clusters before leaves emerge, creating a striking white canopy. The medium-textured, glossy dark green foliage develops shades of bronze, orange, purple, and red in fall. The tree reaches 30 to 40 feet in cultivation with a 15 to 25-foot spread, bearing lightly furrowed gray-brown bark at maturity. Small, rounded black fruit (inedible) dot the branches. Introduced from Asia in 1908 via the USDA, this tree became the default urban ornamental across North America and now dominates residential and commercial landscapes in Western Washington's Puget Sound lowlands.

Callery Pear thrives in full sun and tolerates variable soils including heavy clay, sandy loam, and compacted urban sites. Moderate moisture needs, though the species is notably wet-tolerant and adapts to both periodic flooding and poor drainage typical of valley floors. Pseudomonas blossom blast (cold, wet springs) is the primary bacterial disease concern in Western Washington; fire blight, while documented elsewhere, is not a proven problem in the region. Pear trellis rust occurs where junipers are nearby. Monitor for narrow crotch angles; structural pruning in dormancy is critical for branch integrity. Several cultivars ('Autumn Blaze', 'Chanticleer', 'Capital') differ in form and disease resistance; some eastern states restrict sales due to invasive seed-bearing progeny from cultivar crosses.