SelecTree: Tree Detail
Photo Locations: Hoyt Arboretum - Portland, OR and Finch Arboretum - Spokane, WA
General NotesNeeds ample moisture.
Has fragrant Leaf.
Native to Western North America.
A Tsuga heterophylla in Northern California is registered as a California Big Tree. It measures 272 feet high, with a trunk circumference of 238 inches and a crown spread of 40 feet.
Erect and requires ample growing space.
Has Evergreen foliage.
Height: 70 - 130 feet.
Width: 20 - 30 feet.
Growth Rate: 24 to 36 Inches per Year.
Longevity Greater than 150 years.
Leaves Needle, No Change, Evergreen.
Flowers Inconspicuous. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).
Brown Cone, Medium (0.50 - 1.50 inches), fruiting in Summer or Fall.
Bark Dark Gray, Light Gray or Red Brown, Furrowed or Scaly.
Shading Capacity Rated as Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 2 - 7 and 14 - 17.
USDA Hardiness Zones 6 - 8.
Exposure Full Sun to Full Shade.
Highly Acidic to Neutral Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Beetle Borers, Caterpillars and Scales, Armillaria, Phytophthora and Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Strong.
Root Damage Potential Rated as Moderate.
Allergy Health Hazard.
Biogenic Emissions considered Moderate.
Fire Resistance is Unfavorable.
Desirable Wildlife Plant.
Attracts Birds and Squirrels.
Special Uses & Values
Cite this tree:
SelecTree. "Tsuga heterophylla Tree Record." 1995-2020. Jul 11, 2020.
< https://selectree.calpoly.edu/tree-detail/tsuga-heterophylla >