Common Name: London plane tree
Origin/Ecology: Hybrid between P. occidentalis and P. orientalis.
Habit: Single-trunk tree growing to 75-100′ tall with horizontal branching and a rounded habit.
Leaves: Large 3-5 lobed medium to dark green leaves (4-9″ wide) have coarse marginal teeth. Fall foliage turns yellow-brown.
Leaf Arrangement: Opposite
Flowers and Fruit: Small, non-showy, monoecious flowers appear in small rounded clusters in April. Male flowers are yellowish and female flowers are reddish. Female flowers give way to fuzzy, long-stalked, spherical fruiting balls that ripen to brown in October and persist into early winter. Fruiting balls appear in pairs, gradually dispersing seeds in downy tufts with the wind.
Bark: brown bark exfoliates in irregular pieces to reveal creamy white inner bark. Mature trees display mottled white bark.
Water Use, Soil: Average, medium to wet, well-drained soils. Prefers rich, humusy, consistently moist soils.
Exposure: Full sun.
Landscape Uses: Large tree requires large space. Good for shade and highly tolerant of urban pollutants.
Limitations: Somewhat resistant to sycamore anthracnose but resistance varies between hybrids. Cankerstain can be fatal. Canker, leaf spot and powdery mildew may occur, as well as borers, scale, Japanese beetles, caterpillars and mites.