Giant Sequoia is among the world's largest and oldest living organisms. Trees can grow to 325 ft tall and with trunks wide enough to make a tunnel and drive a car through it. This species from high elevations in the interior mountains in California can be grown in the Eastern U.S., including Northeast Texas, but do not approach a size anywhere near that in their native land. It also can be grown in some European landscapes. Although not quite as tall as Sequoia sempervirens, Sequoiadendron giganteum is much more massive of trunk and the foliage is more like that of Juniperus spp. than that of S. sempervirens. Giant Sequoia is more cold hardy and can tolerate drier atmospheric conditions than Coast Redwood, but Giant Sequoia does not perform well in hot sweltering summers. Dwarf cultivars are sometimes used in rock gardens.
Plant Habit or Use:
Tree, medium tree, large tree
sun, partial sun
None, cone bearing.
Small spherical woody cones.
to 325 ft in it native environment, much smaller in the Eastern U.S.
cultivar and location dependent.
Explanation of the Earth–Kind® Index breakdown
- Heat Tolerance: Low Heat Tolerance
- Water Requirements: High Water Use
- Soil Requirements: Medium Soil Requirements
- Pest Tolerance: Low Pest Resistance
- Fertility Requirements: Medium Fertility Requirements
USDA Hardiness Zones:
6, 7, 8, 9, 10
Regions that intersect these hardiness zones:
Click image for enlarged map of USDA Hardiness Zones
Region A - Panhandle and High Plains• Region B - North and Central Texas• Region C - Northeast and East Texas• Region D - West Texas• Region E - Upper Rio Grande• Region F - Hill Country and Central Coast• Region G - Southeast Texas• Region H - Rio Grande Valley
Old growth forests of this species are national and world treasures. Some native American tribes wisely considered this species sacred, perhaps we should honor their wishes. Some living Giant Sequoia trees were already old in biblical times.