Sessile Oak
Quercus petraea
Fagaceae · broadleaf · introduced
Quick Facts
Height
150 ft
Spread
82 ft
Growth Rate
Slow
Light
Full Sun to Part Shade
Soil
Wet Tolerant
Water
High
Hardiness
Zone Zones 4a–8b
Origin
Europe, including Ireland (its National Tree)
Diseases (14)
Phytophthora ramorum Sudden Oak Death
Arceuthobium spp. (parasitic plant) Mistletoe
abiotic (drought, heat stress) or bacterial (Xylella fast... Leaf Scorch
Armillaria ostoyae Armillaria Root Rot
Various species including Colletotrichum acutatum, C Anthracnose
Cytospora canker Cytospora Canker
Microstroma album Frosty Mildew
Ganoderma applanatum Ganoderma Root and Butt Rot
Pseudoinonotus dryadeus Inonotus Root and Butt Rot
Taphrina spp. Leaf Blister
Phoradendron villosum Mistletoe (a True Mistletoe)
Neonectria ditissima Nectria Canker
Podosphaera aphanis var. aphanis Powdery Mildew
Inonotus dryophilus White Pocket Rot (Piped Rot)