Koyama's Spruce
Picea koyamae
Pinaceae · conifer · introduced
Quick Facts
Height
60–65 ft
Light
Full Sun
Hardiness
Zone Zones 3a–8b
Origin
Japan
Diseases (16)
Thekopsora minima and Naohidemyces vaccinii Rust
Rhizosphaera Needle Cast
abiotic (spray oil residue) Oil Discoloration Of Foliage
Botrytis cinerea Botrytis Blight
Bud Failure
Cylindrocarpon Root Rot
Cytospora canker Cytospora Canker
Several soilborne Damping-off
Many conifers Drought Injury
Heterobasidion Root Disease
Needle Distortion
Phytophthora spp. (P Phytophthora Root Rot
Schweinitzii root and butt rot
Sparassis Root Rot
Stem decay Stem Decay
Tip Blight
Pests (15)
Spruce aphid
Pissodes strobi White pine weevil
Oligonychus ununguis Spruce spider mite
Spruce needleminer
Spruce budworm
Spruce bud scale
Chionaspis pinifoliae Pine needle scale
Orgyia pseudotsugata Douglas-fir tussock moth
Adelges cooleyi Cooley spruce gall adelgid
Coneworm
Carnation tortrix
Hemlock scale
Silverspotted tiger moth
Western webspinning sawfly
Webworm