Index / Search / Quercus garryana

§1 Plant

Quercus garryana Douglas ex Hook.

vernacular Oregon white oak — species · Fagaceae


USDA
QUGA4
GBIF
2879260
Rank
species
Oregon white oak (Quercus garryana)
Platephotograph · morninglightCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Shrub, Tree
Duration
Perennial
Group
Dicot
Family
Fagaceae Dumort.
Genus
Quercus
§2a

Native status, by region

  • CAN Canada Native
  • L48 Lower 48 States Native
§2b

County-level range

· 73 counties across 3 states/territories
Legend Native · 73 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
High
Shade
High
Moisture use
Low
Fire
Low
Salinity
None
Anaerobic
Low
CaCO₃
None
Hedging
None
§3b

Climate & soil

Cold tolerance
-33 °F minimum
Frost-free days
63 min.
Precipitation
10–104 in/yr
pH range
4.8–6.7
Root depth
42 in min.
Fertility need
Low
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Single Stem
Growth rate
Slow
Lifespan
Long
Mature height
80 ft
Height @ 20 y
25 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Yellow
Fruit colour
Brown
Fire resistant
Yes
N fixation
None
Toxicity
Slight
§3d

Reproduction

Bloom period
Mid Spring
Seed abundance
Medium
Seed begins
Summer
Seed ends
Fall
Spread rate
Slow
Stratify
Yes
Seeds / lb
85
Propagation
seed, bare root, container
§3e

Use & availability

Commercial availability
Contracting Only
Nursery stock
No
Browse palatability
Medium
Graze palatability
Low
Palatable, human
Yes
Protein potential
Low
Lumber
Yes
Fuelwood
High
Christmas tree
No

§4Counties, by state

Recorded in 73 counties across 3 states/territories.


§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/QUGA4 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/2879260 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z