Gray Poplar
Populus canescens
Salicaceae · broadleaf deciduous tree · introduced
Last updated
Quick Facts
Height
40–70 ft
Light
Full Sun
Hardiness
Zone Zones 3a–8b
Origin
Europe and Asia Minor, in cultivation for centuries
Watch for this season
Bacterial BlightHigh
Spring Infection Period
Cytospora CankerHigh
Spring Canker Activation
Leaf BlisterHigh
Spring Spore Germination and Infection
Oystershell scaleHigh
Crawler Emergence
+ 8 more — see full disease and pest lists below
Diseases: Regionally Documented (17)
Marssonina Leaf Spot Uredinales (rust fungi) Leaf Rust Taphrina spp. Leaf Blister [VERIFY] Leaf and Shoot Blight Symptom category — not a single disease Canker Pseudomonas syringae pv. syringae Bacterial Blight Armillaria spp. — primarily A Armillaria Root Rot Daldinia concentrica Aspen Trunk Rot Ceratocystis fimbriata (black canker); Cytospora notastro... Black Canker (Target Canker) Cryptosphaeria punctata Cryptosphaeria Canker (Snake Canker) Cytospora spp. (Valsa spp., Leucostoma spp.) Cytospora Canker [VERIFY] Ink Spot Sooty-bark Canker Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew Septoria Leaf Spot and Canker Sclerotinia spp. White Mottled Rot
Pests: Regionally Documented (14)
Malacosoma spp. Tent caterpillar Leucoma salicis Satin moth Various (Coleoptera, Lepidoptera) Borer Pemphigus populitransversus Poplar Petiole Gall Aphids Lepidosaphes ulmi Oystershell scale Prionoxystus robiniae Carpenterworm Phyllonorycter apparella Aspen leaf blotch miner Euhexomyza schineri Poplar twiggall fly Aphidoidea Aphid Acanthococcus azaleae Azalea bark scale Hyphantria cunea Fall webworm Edwardsiana rosae Rose leafhopper Various (Gracillariidae, Agromyzidae) Leaf blotchminer Pemphigus bursarius Lettuce root aphid
Data Maturity Structured Multiple sources. Expert review underway.