Wilson's Spruce
Picea wilsonii
Pinaceae · coniferous tree · introduced
Last updated
Plant Profile
Size & Form
Height
80 ft
Site Requirements
Light
Full Sun to Part Shade
Hardiness
Zones 5a–8b
Ornamental Interest
Origin
northwestern China
Watch for this season
Cytospora CankerHigh
Peak Spore Production and Dispersal
Damping-offHigh
Seedling Emergence - Postemergence Damping-off Risk
RustHigh
Uredinial Stage (Summer)
Pine needle scaleHigh
Crawler Emergence
+ 4 more — see full disease and pest lists below
Diseases: Regionally Documented (15)
Botrytis Blight Abiotic or viral Bud Failure Cylindrocarpon spp. (now Ilyonectria spp.) Cylindrocarpon Root Rot Cytospora spp. (Valsa spp., Leucostoma spp.) Cytospora Canker Several soilborne Damping-off Drought Injury Heterobasidion occidentale Otrosina & Garbel Heterobasidion Root Disease Needle Distortion Phytophthora spp. (P Phytophthora Root Rot Rhizosphaera Needle Cast Multiple genera (Melampsoridium, Thekopsora, Naohidemyces... Rust Phaeolus schweinitzii Schweinitzii root and butt rot Sparassis crispa (syn. S Sparassis Root Rot Fomitopsis officinalis, Porodaedalea pini, and other wood... Stem Decay Diaporthe vaccinii or Diplodia tip blight agents Tip Blight
Pests: Regionally Documented (15)
Cacoecimorpha pronubana Carnation tortrix Dioryctria spp. Coneworm Adelges cooleyi Cooley spruce gall adelgid Orgyia pseudotsugata Douglas-fir tussock moth Hemiberlesia ithacae Hemlock scale Chionaspis pinifoliae Pine needle scale Lophocampa argentata Silverspotted tiger moth Elatobium abietinum Spruce aphid Physokermes piceae Spruce bud scale Choristoneura fumiferana Spruce budworm Coleotechnites piceaella Spruce needleminer Oligonychus ununguis Spruce spider mite Cephalcia spp. Western webspinning sawfly Pissodes strobi White pine weevil Webworm
Data Maturity Structured Multiple sources. Expert review underway.