Armillaria Root Rot
(Armillaria spp.)
Structural Root Rot
(Ganoderma sp.)
Cedar Hawthorn Rust
(Gymnosporangium juniperi-virginiana)
Drought
Leaf Scorch
Nutrient Deficiency
Winter Burn
Herbicide Damage
Lightning Damage
Underwatering
Overwatering
Soil Compaction
Improper Pruning
Improper Planting
Mechanical Damage
Phytophthora Root Rot
(Phytophthora spp.)
Bagworm
(Thyridopteryx ephemeraeformis)
Phomopsis Tip Blight
(Phomopsis juniperovora)
Seridium Canker
(Seridium spp.)
Cynipid Wasp
(Cynipidae)
Ambrosia Beetles
(Scolytinae: Xyleborini)