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botanical name:
Catalpa bignonioides 'Aureomarginata'
Catalpa bignonioides 'Aureomarginata' © Deeproot Plant Base
common name:  Indian Bean Tree
synonyms:  Catalpa bignonioides 'Koehnei'
family:  Bignoniaceae
characteristics: tree
height: 10.00m
width: 10.00m
growth rate: slow
growth habit: broad headed
leaf colour: yellow & 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: -18°C
USDA zone: 7 to 10
description:
Medium sized tree or sometimes grown as a large shrub. Very large heart-shaped variegated leaves of mid green with broad irregular greenish yellow margins, becoming greener by late season. Large panicles of white flowers with yellow and purple markings in the throats, produced in midsummer and may be followed by long seed pods.
The leaves are much more yellow-green than "Variegata'.

cultivation:
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.
Prune to restrict size and produce larger leaves. May be successfully grown in a large tub.
Tends to be relatively short-lived, usually declining after about 50 years.

other notes:
Fairly rare. May or may not be the same as Catalpa bignoniodes 'Koehnei'?

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