Western Larch

Larix occidentalis Nutt. - Pine family

Size

Mature Height: Up to around 200.0 feet

Plant Type: Tree

Features

Flower Color: Red, Yellow, Brown

Bloom Time: Mid Spring, Late Spring

Conditions

Shade Tolerance: Intolerant

Ecosystem Interactions

Pollinators: Larval Host (Moth); Wind

Larval Species depending on Western Larch: Acleris variana, Anavitrinella pampinaria, Archips packardiana, Argyresthia columbia, Argyresthia laricella, Argyrotaenia dorsalana, Barbara colfaxiana, Caripeta divisata, Choristoneura fumiferana, Choristoneura occidentalis, Cladara limitaria, Clepsis persicana forbesi, Coleophora laricella, Cydia laricana, Cydia leucobasis, Dasychira grisefacta, Dasypyga alternosquamella, Dioryctria abietivorella, Ectropis crepuscularia, Egira perlubens, Eilema bicolor, Epirranthis substriataria, Epirrita autumnata, Eupithecia luteata bifasciata, Eupithecia ornata, Eupithecia palpata, Eupithecia transcanadata, Gabriola dyari, Griselda radicana, Henricus fuscodorsanus, Hesperumia sulphuraria, Hyalophora kasloensis, Hypagyrtis piniata, Lambdina fiscellaria lugubrosa, Lithophane innominata, Melanchra pulverulenta, Melanolophia imitata, Nematocampa filamentaria, Olethreutes cespitana, Orgyia antiqua badia, Orgyia pseudotsugata, Palthis angulalis, Panthea portlandia - group, Papestra cristifera, Paralobesia piceana, Pero behrensaria, Protoboarmia porcelaria, Protoboarmia porcelaria indicataria, Rhyacionia frustrana, Semiothisa granitata, Semiothisa granitata-group, Semiothisa sexmaculata, Synanthedon novaroensis, Synaxis pallulata, Syngrapha selecta, Xestia mustelina, Zeiraphera diniana, Zeiraphera improbana

Native Range

  • CAN:  Alberta, British Columbia
  • USA:  Idaho, Montana, Oregon, Washington
Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.