Trees by Genus

Genus 'Sequoiadendron'

Sequoiadendron giganteum

Sequoiadendron giganteum (Wellingtonia)

Sequoiadendron giganteum

Also known as: California Big Tree

Native: Western slopes of the Sierra Nevada, California

Location: Cultivated for ornament in eastern states and in western and southern Europe.

Conifer. Some of the tallest trees in the world have been Wellingtonias, some recorded at 110m and 4,000 years old. In Europe it may reach about 50m.


Foliage consists of scale-like leaves, and have an aniseed-like smell when crushed.

Pollen and Seed Cones

Sequoiadendron giganteum

Male and female cones appear on the same tree. Males appear in October, then turn yellow and shed pollen in March. Females are tiny green conelets about 1.2cm long with spine tipped scales.

Mature Cones

Sequoiadendron giganteum

Cones mature in two years from green conelets about 8cm long to dark brown. They remain on the tree for up to 20 years. Seeds are winged.