Tithonia fruticosa      
Mexican sunflower    
Asteraceae Family     

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


Mexican sunflower bush
Tithonia fruticosa
Form: shrub
Seasonality: perennial
Size: 9-12ft high with equal spread; fast growth
Leaves: large, pointed, 3-4in long, velvety
Flowers: orange-yellow, 4in in diameter; constantly in bloom
Fruit: seeds
Stems/Trunks: soft, hollow, thick, brittle
Range/Origin: low SW deserts
Hardiness: 32°F; frost tender


leaf close-up
leaf detail

Research by Master Gardener Pat Perry


Not attractive in winter even without frost. Remove seed heads for more attractive winter look.
Frost kills new growth and flowers.
Soft hollow stems break easily in wind.
Soft growth and big flowers give effect of giant perennial rather than true shrub.

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This page was first created July 4, 2004 and last modified March 16, 2006.

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