The Australasian Society of Clinical Immunology and Allergy

Silver birch Print E-mail
Pollen Calendar

 

Silver birch
Betula pendula
 
Silver birch
 
Deciduous. 12-18m. Graceful pendulous form. Leaves are smooth with wedge-shaped base. Catkins develop in late August, early September. Males 3-4cm long, females 1.2 - 2cm and breaking up in autumn and winter. The bark is white and thin horizontal lines and dark diamond shaped cracks. Grows well in colder areas.
 
Calendar 18

 

This pollen calendar has been produced as an educational resource on behalf ofAventis

Last Updated ( Friday, 05 December 2008 )
 
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