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botanical name:
Catalpa bignonioides
Catalpa bignonioides © Deeproot Plant Base
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common name:  Indian Bean Tree, Southern catalpa
family:  Bignoniaceae
characteristics: tree
height: 15.00m
width: 15.00m
growth rate: medium
growth habit: broad headed
leaf colour: green
flower colour: white
fruit colour: brown
main season: Summer
aspect: full sun, part shade
conditions: dry soil, moist soil, clay soil, sandy soil
preferred soil pH: any
minimum temp: -20°C
USDA zone: 7 to 10
Medium to large tree usually with a short trunk and wide spreading branches forming a dome shape. Very large, heart shaped fresh green leaves which are purplish and softly textured when young. In late July mature trees produce showy, upright panicles of white flowers delicately spotted with purple. Long, thin, cylindrical purple-brown seed pods follow after warm summers.

Any reasonable soil but performs best in deep, moist loam. Strong winds can damage the leaves so a sheltered position is preferred. Tolerant of atmospheric pollution.
Tends to be relatively short-lived, usually declining after about 50 years.

From seed.

other notes:
Introduced as an ornamental tree into Britain in 1726.
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