Cupressaceae
Giant sequoia
Sequoiadendron giganteum
- Family
- Cupressaceae
- Genus
- Sequoiadendron
Pets and kids
- CatsNot sure
- DogsNot sure
- KidsNot sure
Why
Cats: Not sure
We found no reliable source on this plant for cats, so we don't call it safe. Keep it out of reach until you have checked with your vet.
Dogs: Not sure
We found no reliable source on this plant for dogs, so we don't call it safe. Keep it out of reach until you have checked with your vet.
Kids: Not sure
We found no reliable source on this plant for young children, so we don't call it safe. Keep it out of reach until you have checked with a doctor or poison control.
Ate some? Call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 (a fee may apply). For a child, call Poison Help at 1-800-222-1222 (US). If they are struggling to breathe or collapse, call 911. Don't give anything by mouth unless a vet or poison expert tells you to.

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Common names
By language (58)
- Arabic
- سيكويا عملاقة, السكويا العملاقة, سكويا عملاقه
- Armenian
- Սեքվոյադենդրոն հսկայական
- arz
- سيكويا عملاقه
- Asturian
- Secuoya xigante
- Azerbaijani
- Nəhəng sekvoyadendron
- Basque
- Sekuoia erraldoi
- Belarusian
- Секвоядэндран, Сэквоядэндран гіганцкі
- Bulgarian
- Гигантска секвоя, Мамонтово дърво
- Cantonese
- 北美巨杉
- Catalan
- Sequoies vermelles
- Chinese
- 巨杉, 世界爷, 世界爺, 北美巨杉
- Croatian
- Golemi mamutovac, Mamutovac
- Czech
- Sekvojovec obrovský, Sekvojovec
- Danish
- Mammuttræ, Kæmpefyr, Kæmpetræ
- dsb
- Wjelicki mamutowy bom
- Dutch
- Mammoetboom, Reuzensequoia
- English
- Giant sequoia, Big tree, Giant redwood, Sierra redwood, Sierran redwood, Wellingtonia
- Esperanto
- Sekvojadendro, Giganta sekvojo
- Estonian
- Mammutipuu, Hiidsekvoia
- Finnish
- Mammuttipetäjä
- French
- Séquoia géant, Séquoïa géant
- Georgian
- Სეკვოიადენდრონი, Ველინგტონია, Მამონტის ხე
- German
- Riesenmammutbaum, Berg-Mammutbaum, Bergmammutbaum, Riesen-Mammutbaum, Riesenmammutbäume, Riesensequoia, Wellingtonia, Wellingtonie
- Greek
- Σεκοϊάδενδρο το γιγαντιαίο
- Hebrew
- סקוויה ענקית
- hsb
- Hoberski žerowc, Mamutowy štom
- Hungarian
- Óriás mamutfenyő, Hegyi mamutfenyő
- Icelandic
- Fjallarauðviður
- io
- Sequoyo
- Japanese
- セコイアデンドロン, セコイアデンドロン属
- koi
- Секвойядендрон
- Korean
- 거삼나무
- kv
- Секвойядендрон
- Latin
- Sequoiadendron
- Lithuanian
- Didysis mamutmedis, Gigantiškoji sekvoja, Mamutmedis
- Luxembourgish
- Risemammutbam
- Macedonian
- Џиновска секвоја
- mrj
- Секвойядендрон
- Norwegian Bokmål
- Mammuttre, Kjempesequoia, Kjempesequoiatre, Kjempesequoiatrær, Mammuttrær
- Norwegian Nynorsk
- Mammuttre
- Persian
- درخت غول, درخت عظیم کالیفرنیا, درخت ماموت, سرخ چوب غول پیکر, سرخچوب غولپیکر, سکویا
- Polish
- Mamutowiec olbrzymi, Mamutowe drzewo, Mamutowiec, Sekwoja olbrzymia, Sekwojadendron, Sequoiodendron, Welingtonia
- Portuguese
- Sequoia-gigante, Sequóia gigante
- Romanian
- Sequoiadendron
- Russian
- Секвойядендрон гигантский, Мамонтово дерево
- Serbian
- Секвоја, Sekvoja
- Slovak
- Sekvojovec mamutí, Sekvoja, Sekvoja obrovská
- Slovenian
- Mamutovec, Gorska sekvoja, Mamutovo drevo, Orjaška sekvoja
- Spanish
- Secoya de sierra, Secoya gigante, Secuoya gigante, Velintonia
- Swedish
- Mammutträd, Mammutträdssläktet
- Tamil
- பெரு மரம்
- Turkish
- Mamut Ağacı
- udm
- Секвойядендрон
- Ukrainian
- Мамонтове дерево велетенське, Секвоядендрон гігінтський
- Vietnamese
- Cự sam, Gỗ đỏ vĩ đại
- vls
- Mammoetbôom, Mammoetboom
- Welsh
- Welingtonia
- wuu
- 巨杉
Synonyms
- Americus gigantea (Lindl.) Hanford
- Americus giganteus Hanford, William H.
- Gigantabies wellingtoniana (Seem.) J.Nelson
- Sequoia gigantea (Lindl.) Decne.
- Sequoia gigantea f. pendula (Briolay-Goiffon ex Carrière) Beissn.
- Sequoia gigantea var. pendula (Briolay-Goiffon ex Carrière) Lavallée
- Sequoia washingtoniana (Winslow) Sudw.
- Sequoia wellingtonia Seem.
- Sequoia wellingtonia var. pendula (Briolay-Goiffon ex Carrière) A.H.Kent
- Sequoiadendron giganteum f. pendulum (Briolay-Goiffon ex Carrière) Rehder
- Steinhauera gigantea (Lindl.) Kuntze ex Voss
- Taxodium giganteum (Lindl.) Kellogg & Behr
- Taxodium washingtonianum Winslow
- Taxodium washingtonium Winsl.
- Washingtonia ambigua (A.Gray) J.M.Coult. & Rose
- Washingtonia americana Gordon
- Washingtonia bolanderi J.M.Coult. & Rose
- Washingtonia brachypoda (Torr. ex Durand) A.Heller
- Washingtonia californica (Lindl.) Winslow
- Washingtonia gigantea (Lindl.) Carrière
- Wellingtonia californica Sarg.
- Wellingtonia gigantea Lindl.
- Wellingtonia gigantea var. pendula Carrière
- Wellingtonia pendula Briolay-Goiffon ex Carrière
Flowers
- Flower colour
- green (USDA PLANTS Database)
Characteristics
- Growth habit
- Tree
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Mike Murphy, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Chérif-Jacques Allali, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Chérif-Jacques Allali, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Fabrice Rubio, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: alice descomble, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Chérif-Jacques Allali, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Gilles ROUSSOULET, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Chérif-Jacques Allali, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Jimmy Pochon, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Fabrice Rubio, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Chérif-Jacques Allali, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Théo Dumont, CC BY-SA 4.0, from Pl@ntNet via GBIF
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.