Index / Search / Philadelphus lewisii
§1 Plant
Philadelphus lewisii Pursh
vernacular Lewis' mock orange — species · Hydrangeaceae
§2Habit & range
Habit and range
- Growth habit
- Shrub
- Duration
- Perennial
- Group
- Dicot
- Family
- Hydrangeaceae Dumort.
- Genus
- Philadelphus
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 93 counties across 3 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Medium
- Shade
- High
- Moisture use
- Low
- Fire
- Low
- Salinity
- None
- Anaerobic
- Low
- CaCO₃
- Medium
- Hedging
- High
§3b
Climate & soil
- Cold tolerance
- 7 °F minimum
- Frost-free days
- 140 min.
- Precipitation
- 19–69 in/yr
- pH range
- 7–8
- Root depth
- 6 in min.
- Fertility need
- Low
- Soil texture
- coarse, medium
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Moderate
- Lifespan
- Moderate
- Mature height
- 12 ft
- Height @ 20 y
- 6 ft
- Foliage texture
- Fine
- Foliage colour
- Green
- Porosity (summer)
- Porous
- Porosity (winter)
- Porous
- Flower colour
- White
- Fruit colour
- Brown
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Late Spring
- Seed abundance
- Medium
- Seed begins
- Summer
- Seed ends
- Fall
- Spread rate
- Moderate
- Stratify
- Yes
- Seeds / lb
- 8,000,000
- Propagation
- seed, cuttings, bare root, container
§3e
Use & availability
- Commercial availability
- Contracting Only
- Nursery stock
- Yes
- Browse palatability
- High
- Graze palatability
- High
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 93 counties across 3 states/territories.
Idaho view state ↗ 22 N ▾
Oregon view state ↗ 35 N ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Clatsop 41007
- Columbia 41009
- Coos 41011
- Crook 41013
- Curry 41015
- Deschutes 41017
- Douglas 41019
- Gilliam 41021
- Grant 41023
- Harney 41025
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Klamath 41035
- Lane 41039
- Lincoln 41041
- Linn 41043
- Malheur 41045
- Marion 41047
- Morrow 41049
- Multnomah 41051
- Polk 41053
- Sherman 41055
- Tillamook 41057
- Umatilla 41059
- Union 41061
- Wallowa 41063
- Wasco 41065
- Washington 41067
- Wheeler 41069
- Yamhill 41071
Washington view state ↗ 36 N ▾
- Adams 53001
- Asotin 53003
- Benton 53005
- Chelan 53007
- Clallam 53009
- Clark 53011
- Columbia 53013
- Cowlitz 53015
- Douglas 53017
- Ferry 53019
- Franklin 53021
- Garfield 53023
- Grant 53025
- Grays Harbor 53027
- Island 53029
- King 53033
- Kitsap 53035
- Kittitas 53037
- Klickitat 53039
- Lincoln 53043
- Mason 53045
- Okanogan 53047
- Pend Oreille 53051
- Pierce 53053
- San Juan 53055
- Skagit 53057
- Skamania 53059
- Snohomish 53061
- Spokane 53063
- Stevens 53065
- Thurston 53067
- Wahkiakum 53069
- Walla Walla 53071
- Whatcom 53073
- Whitman 53075
- Yakima 53077
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PHLE4 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2986027 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T14:42:51Z