Sequoiadendron giganteum
Sierra Redwood
Family |
Taxodiaceae |
Genus |
Sequoiadendron |
Species |
giganteum |
Category |
Woody |
Type |
Tree (evergreen) |
Pronunciation |
USDA Hardiness Zone |
7a |
Canadian Hardiness Zone |
8 |
RHS Hardiness Zone |
H5 |
Temperature (°C) |
-21 - (-15) |
Temperature (°F) |
-5 - 5 |
Height |
20 - 100 m |
Spread |
5 - 30 m |
Landscape |
Use as a specimen conifer where there is room for it to ascend and spread. |
Growth |
Fast |
Pests |
No serious pests or diseases of note. |
Habitat |
Dense and pyramidal-oval in youth, losing its lower branches with a narrow- pyramidal crown of foliage. |
Bark/Stem Description |
Spongy in texture and rich reddish brown, quite thick as a form of protection against fire. |
Leaf Description |
Blue-green needles vary in length from 2 -10 mm and are usually awl shaped, triangular in cross section, tapering from the base to a fine point. They point forward toward the apex, covering the stem longitudinally in 3 spiralling rows. |
Flower Description |
Male flowers are axillary and terminal with numerous spirally arranged stamens; female flowers are terminal with 15 - 20 peltate scales. |
Texture Description |
Medium textured. |
Notable Specimens |
Niagara Parks Botanical Gardens, Niagara Falls, Ontario, Canada. Van Dusen Botanical Garden, Vancouver, British Columbia, Canada. Stourhead Gardens, Wiltshire, United Kingdom. Wakehurst Place, Ardingly, Haywards Heath, Sussex, England. |
Propagation |
By seed requiring no pre-treatment. |