Japanese Red Pine
Pinus densiflora
Pinaceae · coniferous tree · introduced
Last updated
Quick Facts
Height
65–130 ft
Spread
23 ft
Growth Rate
Medium
Light
Full Sun
Soil
Moist
Water
Moderate
Hardiness
Zone Zones 3–3
Bloom Time
Non-flowering
Fall Color
Yellow
Origin
Japan, Korea, and northeastern China
Watch for this season
Damping-offHigh
Spring Sowing - Preemergence Damping-off Risk
Twig BlightHigh
Spring Spore Release
Eriophyid miteHigh
Spring Dispersal & Bud Invasion
Pine needle scaleHigh
Crawler Emergence
+ 4 more — see full disease and pest lists below
Diseases: Regionally Documented (24)
Endocronartium harknessii Western Gall Rust Cronartium ribicola White Pine Blister Rust Phytophthora spp. (P Phytophthora Root Rot Lophodermium spp. Lophodermium Needle Cast Lophodermella concolor Lophodermella Needle Cast Elytroderma deformans Elytroderma Needle Cast Arceuthobium spp. (parasitic plant) Dwarf Mistletoe Armillaria spp. — primarily A Armillaria Root Rot Symptom category — not a single disease Canker Cyclaneusma minus Cyclaneusma Needle Cast Several soilborne Damping-off Dothistroma septosporum (and/or D Dothistroma Needle Blight (Red Band) Gray Mold Heterobasidion occidentale Otrosina & Garbel Heterobasidion Root Disease In most Hypocotyl Rot and Root Rot Davisomycella medusa Medusa Needle Blight Rhabdocline spp. including R Needle Cast Needle Rusts Bursaphelenchus xylophilus Pine Wilt Excess sodium chloride Salt Damage Sirococcus conigenus Sirococcus Shoot Blight Fomitopsis officinalis, Porodaedalea pini, and other wood... Stem Decay Diaporthe vaccinii or Diplodia tip blight agents Tip Blight Multiple fungal species cause twig blight on different ho... Twig Blight
Pests: Regionally Documented (18)
Eriophyidae Eriophyid mite Pineus strobi Pine bark adelgid Dioryctria spp. Coneworm Pine Aphid Pissodes strobi White pine weevil Tetranychidae Spider mite Synanthedon sequoiae Sequoia pitch moth Pine Needle Sheathminer Pine Sheath Miner Chionaspis pinifoliae Pine needle scale Pine Butterfly Coloradia pandora Pandora moth Dendroctonus ponderosae Mountain pine beetle Rhyacionia buoliana European pine shoot moth Nuculaspis californica Black pineleaf scale Neodiprion spp. Pine sawfly Eulachnus agilis Powdery pine needle aphid Otiorhynchus spp. Root weevil Schizolachnus piniradiatae Woolly pine needle aphid
Cultivars (3)
'Golden Ghost'
Common name: Golden Ghost Japanese Red Pine; Mature height: 8–10 ft
Hardy to USDA Zone 3
'Pendula'
Common name: Weeping Japanese Red Pine
'Umbraculifera'
Common name: Tanyosho Pine; Mature height: 12 ft
Data Maturity Structured Multiple sources. Expert review underway.