An American cultivar with a narrow, vertical, conical to oval crown. Remains slightly narrower than 'Chanticleer'. Height 8 to 12 m. Compact manner of growth. Old bark is rough and greyish brown. The healthy, glossy green leaves turn lovely colours in the autumn, usually yellow, but also purplish red tints. Remain on the tree until late in the autumn. Profuse flowers. The white flowers grow in umbels of 6 to 12. Each flower is approx. 2.5 cm in diameter and is thus somewhat larger than the flowers of 'Bradford' for example. The fruit is brown with lighter lenticels and appears rarely. Suitable as a solitary tree and along narrow avenues and streets. Deep root system. Prefers neutral to slightly calcareous soil. Also grows in poor soil. Well resistant to air pollution.
Pyrus calleryana 'Redspire' can eventually reach a height of 8 - 12 m, depending on the site and climate conditions.
Pyrus calleryana 'Redspire' is average growing and can eventually reach a height of 8 - 12 m, depending on the site and climate conditions.
The leaves of Pyrus calleryana 'Redspire' turn yellow, red, purple in autumn.
The right time to plant Pyrus calleryana 'Redspire' is during the dormancy period. In Western Europe, Pyrus calleryana 'Redspire' with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.