Brachychiton populneus     
Bottle tree   
Sterculiaceae Family     

Compiled by the Master Gardeners
of the University of Arizona Pima County Cooperative Extension.


Bottle tree
mature specimen of Brachychiton populneus
Form: pyramidal when young, overall narrow shape growing wider with age; dense foliage
Seasonality: evergreen
Size: 30-45ft, spread to 30ft; rapid growth rate
Leaves: simple; often lancolate but has large variation in margin type, sometimes lobed; 2-3in long; glossy green; attractive glittery effect in wind
Flowers: small white or off-white bell shape with pinkish dots; bloom in early summer
Fruit: distinctive brown hard woody boat-shaped pod containing round seeds; fuzz on seed can be an irritant
Stems/Trunks: distinctive trunk shape, trunk tapers like bottle, buttressed wider at base, most obvious when young, losing bottle shape when older; trunk and stems green when young growing more brown with age
Range/Origin: Australia
Hardiness: high to mid teens




close-up of flowers
flowers on Brachychiton populneus

both clay and sandy soil types okay, as long as the texture is consistent
susceptible to Texas root rot
pods are notorious for jamming reel lawnmowers

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This page was first created July 2, 2001 and last modified February 11, 2006.

Web page design and photographs by Toni Moore, Master Gardener
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