Giant Sequoia·test collection

Sequoiadendron giganteum

Giant Sequoia

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Species Name

Genus

Family

Adoption Date

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Collection

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LightFull sun to partial shade

WateringModerate, deep watering, especially in dry seasons

SoilWell-drained, sandy or loamy soil

FertilizerBalanced fertilizer during the growing season as needed

HumidityModerate to high humidity preferred

TemperatureThrives in mild to cool climates; can tolerate high altitudes

HabitTall, straight trunk with a conical crown

Mature SizeUp to 300 feet in height and 30 feet in diameter

Growth RateSlow to moderate growth rate

BloomingProduces cones, primarily male, from late summer to early fall

DormancyDormant in winter months

MethodsSeed propagation, Cuttings

DifficultyModerate

Best SeasonSpring for seeds, early summer for cuttings

PruningMinimal pruning needed; remove dead or damaged branches as necessary

RepottingNot applicable for established trees; young seedlings may need pots

Pests & DiseasesGenerally resistant, but can be affected by root rot and insects like aphids

ToxicityNon-toxic to humans and pets