Small Trees and Shrubs

Tolerates moist shady conditions.
"Cones"
40+ feet tall.

Wood rot
Canker-die back
Catkin deformity-leaf spot

Shrubs & trees, yellow foliage, variety often used for screening, "cones," 18 to 35 feet tall.
Moist well-drained soil.

Cankers
Drowning
Scorch
Winter Injury

Green & purple variety, thorns, often used as hedge.

Verticillium wilt
Canker

Decidouos to semi-evergreen, ground covers to medium tall shrubs, arching forms.

Fire Blight
Canker
Root rot
Winter kill

Buy disease-resistant varieties, white, pinl, red flower varieties, pea to apple size fruit. Green to purple foliage. Vase-oval-upright-spreading shapes, 8 to 40 feet tall.

Scab
Rust
Canker
Root rot
Sun scald
Winter injury
Wood rot

Red & yellow twigs mostly grown white flowers. Need severe yearly pruning to keep healthy.

Canker
Root rot
Borers
Botrytis Blight
Spot Anthracnose

Ground cover, vine, shrubs, small trees.

Crown Gall
Verticillium wilt

Most have thorns (thornless cockspur), Washington-cockspur-downy, white flowers, red grape size fruit.

Rust
Canker
Root rot
Fire Blight
Leaf Blight
Leaf spot
Wood rot

Blue to green to yellow tip foliage, ground covers, shrubs, trees (including columnar forms) blueberry like fruit (used to flavor gin), moist, well-drained soils.

Phomopsis
Twig Blight
Cedar rust (Susceptible varieties)
Winter injury
Root rot
Wood rot

Sun, moist well-drained soils, nongrafted varieties need regular pruning to maintain plant health, need modified pruning on grafted variety, white to purplish flowers in June (shrubs), tree blooms in June, flowers are & have pleasant odor.

Canker
Powdery Mildew
Root rot
Botrytis Blight
Bacterial Blight
Leaf spot
Wood rot

Trees - Low branching slightly. Moist, acid, organic soils. Tolerates light shade, 20 - 30 feet tall.
Light pink flowers.
Shrubs - white flowers, 15 - 20 feet tall.
Not all magnolias hardy inNorthern Illinois.

Canker
Verticillium wilt
Scorch
Chlorosis
Wet wood
Wood rot
Root rot

Norway - Tolerates dry soil,
40 - 90 feet tall.
Crimson King (Dark purple foliage) schwedler (purplish green foliage)

Columnar varieties
Japanese - wide range uses, 15 - 25 feet tall.
Red - moist or dry acidic soils 40 - 60 feet tall.
Green (Gold fall color) & red foliage, cultivars, many cultivars include columnar silver - Fast grower, weak wood tolerates wide range of growing conditions, 50 - 120 feet tall.
Sugar - tolerates light shade, forest tree, moist well-drained soils, 60 - 120 feet tall.
Boxelder - weak wooded, short lived weedy tree, gets boxelder bug.

Anthracnose
Sooty mold
Verticillium wilt
Scorch
Chlorosis
Canker
Wetwood
Chemical injury
Wood rot
Root rot

Scale - Cottony - Leucanium - Oystershell
Aphids
Leaf Miner
Leaf Hopper
Flat headed apple borer
Leaf galls
Aerified mites

Short lived fast growing tree, 15 - 30 feet tall.
Sand cherry is the shrub 7 - 10 feet tall.

Verticillium wilt
Canker
Root rot
Wood rot
Black knot
Winter injury
Bacterial spot
Blossom and Twig Blight
Leaf curl
Winter injury

Verticillium wilt
Root rot
Wood rot
Canker

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

Powdery mildew
Leaf spot
Verticillium wilt
Root rot