Q to Z

Verticillium wilt
Root rot
Wood rot
Canker

Colorado - green to blue foliage.
Most disease prone spruce.
Norway - branches drop down.
White - dwarf Albert is hybrid.

Chemical injury
Canker
Root rot
Wood rot

Albert - a mutation is not always stable, other species grown for colorful bark.
Messy tree due to anthracnose. 75 - 125 feet tall.

Sphaeropsis (Diplodia) Tip Blight
Anthracnose
Canker
Scorch
Powdery mildew
Wood rot
Root rot

Tolerates wide range of growing conditions.
Green orange flowers blend in.
70 - 150 feet tall.

Sun scald
Scorch
Wetwood

Many species.
One fragant flowering species.
Needs proper pruning to stay healthy.

Powdery mildew
Leaf spot
Verticillium wilt
Root rot

Nut is edible - Everything else toxic, can stain things black.
Tap root therefore hard to transplant, leafs out late & defoliates early.

Canker
Wood rot
Root rot
Leaf spots
Anthracnose
Downy spot
Powdery mildew

Not for most home landscapes.
Weeping and non - weeping corkscrew is small short lived tree, these trees need constant source of moisture.
Can be messy.

Canker
Wood rot
Root rot
Crown Gall
Wetwood
Leaf spot
Powdery mildew
Sooty mold

Vernal is shrub, blooms late.
Jan - Mar, Sun to Shade. 6-10 feet tall. Yellow to red flowers are fragant. Common is tree, blooms in nov., sun or shade, moist soils but not wet. 15 - 30 feet tall.
Ratty looking plants during growing season, yellow flowers are fragant.

Must have good drainage.
Sun to moderate shade.
Red berry fruit edible but seeds extremely toxic.
Shrubs & trees up to 40 feet tall.

Drowning
Winter injury