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The ornamental pear and its cultivars, Redspire and Aristocrat are the tallest of the flowering trees, reaching up to 50 feet high. Fauer is the smallest at a diminutive 20 feet tall. The Capital variety is in between, reaching up to 35 feet in height.
Hi, Melissa, We haven't grow pears in containers. Because there are no truly dwarfing rootstocks for pears, pear trees can be large. Well-pruned mature trees are 18 feet to 20 feet tall.They seem best suited for the ground. Plant in any fertile, well-drained soil in full sun in a place with good air circulation in the winter or early spring. 2  Space standard-size trees 20 to 25 feet apart. 3  Space dwarf trees 12 to 15 feet apart.