Pyrus calleryana ‘Autumn Blaze’ Flowering Pear Description This is the hardiest of the ornamental pear varieties. 'Autumn Blaze' produces a multitude of showy white flowers in spring. The foliage is glossy green during the summer and turns a brilliant crimson red in the fall. Canopy is rounded. Sizes & Prices All Pyrus, Ornamental Characteristics Hardiness Zone: 4 Light requirements: Sun Height: 30-35' Spread: 15-20' Native: No Sizes & Prices Size: 15 GALLON $239.00 Other Information Pyrus calleryana 'Autumn Blaze' Flowering Pear Zone: 4 Sun HT: 30-35' Pyrus calleryana 'Redspire' Flowering Pear Zone: 4-5 Sun HT: 30'