Taiwan Douglas-fir
Pseudotsuga wilsoniana
Pinaceae · coniferous tree · introduced
Last updated
Data Maturity Structured
This profile synthesizes data from multiple published sources. Expert field review is in progress.
Quick Facts
Height
65–80 ft
Light
Full Sun
Hardiness
Zone Zones 7a–8b
Origin
China and Taiwan
Diseases (13)
Leptographium wageneri Black-Stain Root Disease Gray Mold [VERIFY] Lower Stem Canker Rhabdocline spp Needle Cast, Rhabdocline Needle Cast, Swiss Thekopsora minima and Naohidemyces vaccinii Rust Botryosphaeria corticis Stem Canker Phoma eupyrena Upper and Lower Stem Canker (Phoma Blight) Yellow-green Mottle Syndrome Diaporthe phaseolorum Upper stem canker Rhabdocline pseudotsugae Rhabdocline needle cast Coniferiporia sulphurascens Laminated Root Rot Armillaria ostoyae Armillaria Root Rot
Pests (12)
Aphidoidea Aphid Coccus hesperidum Brown soft scale Dioryctria spp. Coneworm Adelges cooleyi Cooley spruce gall adelgid Contarinia pseudotsugae Douglas-fir needle midge Orgyia pseudotsugata Douglas-fir tussock moth Cylindrocopturus furnissi Douglas-fir twig weevil Chionaspis pinifoliae Pine needle scale Synanthedon novaroensis Pitch moth Lophocampa argentata Silverspotted tiger moth Oligonychus ununguis Spruce spider mite Synanthedon sequoiae Sequoia pitch moth