Gray Poplar

Populus × canescens

Native to:
Albania, Austria, Bulgaria, China, Czechia-Slovakia, France, Germany, Hungary, Italy, Netherlands, NW. Balkan Pen., Poland, Romania, Russia, Switzerland, Tadzhikistan, Türkiye, Turkmenistan

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Salicaceae
Genus:
Populus
Species:
Populus × canescens
USDA Symbol:
POCA14

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
3000 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
mar,apr

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Acleris fuscana, American hornet moth (Sesia tibialis), Blinded Sphinx (Paonias excaecata), Fall webworm (Hyphantria cunea), Forest Tent Caterpillar (Malacosoma disstria), Gypsy moth (Lymantria dispar), incurve tent caterpillar (Malacosoma incurva), maple-basswood leafroller (Sparganothis pettitana), Paraleucoptera albella, Phyllonorycter scudderella, poplar leafminer (Phyllonorycter populiella), Spiramater lutra, Western tent caterpillar (Malacosoma californica), White Satin Moth (Leucoma salicis), White Underwing (Catocala relicta), White-marked Tussock Moth (Orgyia leucostigma), Red-spotted Purple (Basilarchia arthemis)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fall Color:
yellow
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from root suckers after fire or cutting; forms extensive clonal colonies.

Soil Requirements

Soil Type:
moist, nutrient-rich, well-drained loam
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in floodplains and wet areas

Propagation & Germination

Stratification:
None required
Germination Time:
1–7 days
Notes:
Seeds are short-lived and must be sown immediately on moist soil; no dormancy but requires consistent moisture.

The above propagation data sourced from Claude AI