Large Trees
ASH
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Tolerates wide range of growing conditions,
green - white & blue species, 50+ feet tall. |
Verticillium wilt
Canker
Leaf spots including:
Anthracnose
Ash ring spot
Root rot
Wood rot
Collar rot |
Ash border
Aphids
Flower Gall of Ash
Plant Bug
Cotton Maple Scale (male trees only) |
BUCKEYE AND HORSECHESTNUT
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| "Haystack trees" - Branches low
to ground, moist well-drained soils.
"Nut is toxic," 40 to 100 feet tall. |
Leaf Blotch
Scorch
Canker
Wood rot |
Leaf Miner |
DOUGLAS FIR
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Well-drained, moist, rich, acidic soils, sun,
high humidity. 40 to 200 feet tall (not true fir)
Blue foliage. |
Needle cast
Needle Blight
Wood rot
Tip Blight
Canker
Root rot |
Woolly Aphid (Alternate host not
required) |
HACKBERRY
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Good street tree - tolerates wide range of
growing conditions. Growth & leaves size, shape, appearance
similar to American elm. 40 to 60 feet tall. |
Witches Broom
Root rot
Wood rot
Island Chlorosis
Canker |
Mites
Cottony Mapple Scale
Leaf Galls |
HONEYLOCUST & KENTUCKY COFFEE TREE
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Get thornless/ podless honeylocust, sunburst
has yellowish new growth, tolerates wide range of growing
conditions, except prolong wet soils, 30 to 100 feet tall.
Coffee tree has pods, larger leaves & bigger tree than
honeylocust. |
Canker
Root rot
Wood rot |
Cottony Maple Scale
Pod Midge Gall
Plant Bug
Cankerworm
Mites
Aphids
Mimosa Webworm |
GINKO
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Considered "Pest free," medium grower
once established, smelly fruit - seed used as memory enhancer,
male/female trees, fall color golden, last two weeks and sheds
all leaves in less than 48 hours. Pyramidal forms. 50 to 80
feet tall. |
|
Potato Leaf Hopper |
LARCH
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Moist, well-drained acidic sois.
Sun, American & European species, European better tree,
weeping & non weeping forms, 70 to 75 feet tall. |
Root rot
Canker
Chlorosis
Wood rot |
Cottony Maple Scale |
LINDEN
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| American 60 - 80 feet tall &
little leaf 30 - 70 feet tall.
Little leaf better (60+ feet variety), likes moist well drained
rich soils, tollerates, pollution, 30 to 70 feet tall. |
Anthracnose
Scorch
Canker
Verticillium wilt
Wood rot
Root rot |
Aphids
Plant bug |
MAPLE
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| 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 |
PINE
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Eastern White - moist well - drained slightly
acidic soil, 50 - 150 feet tall.
Environmental conditions
Reason most die in ill.
Scotch - over planted, 30 - 90 feet tall.
Austrian - over planted, 50 - 100 feet tall.
Red - tolerates abused soils, 50- 125 feet tall.
Mugo - shrub up to 35 feet by 35 feet. |
Sooty mold
Pine Wilt nematodes (especially Scotch)
Wood rot
Root rot
Canker
Rust
Needle diseases
Blight
Cast
Sphaeropsis (diplodia)
Tip blight (bird)
Yellowbelly
Sapsucker |
Zimmerman Pine Moth
Mites
Pine Sawfly
Leucanium Scale
Pine Needle Scale
Pine Bark Adelgid
Sawyer Beetles
Shoot Moths
Pine Tip Moth
Aphids |
SYCAMORE
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| 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 |
|
TULIP TREE
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Tolerates wide range of growing
conditions.
Green orange flowers blend in.
70 - 150 feet tall. |
Sun scald
Scorch
Wetwood |
Tulip Tree Scale
Magnolia Scale |
OAK
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| Burr - difficult to transplant,
tolerates wide range of growing conditions, 70 - 100 feet
tall.
Pin - fastest frowing & easiest to transplant 60 - 100
feet tall.
Reds (pointed leaves) very prone decay and wilt
White (rounded lobes) resistant to decay and wilt |
Oak wilt
Wet wood
Anthracnose
Canker (bacterial and fungal)
Root rot
Wood rot
Leaf spot
Chlorosis
Scorch
Powdery Mildew
Leaf Blister |
Leaf Miner
Succulent Oak Gall
Scale - Oyster - Leucanium
Aphids
Wood Borers (feeds on to rotting wood)
Gypsy Moth
Tussock Moth |
WALNUT
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| 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 |
Fall Webworm
Aphids
Leucanium Scale |
WILLOW
| Selection Info |
Some Common Diseases |
Some Common Insects and Insect-related |
| 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 |
Black Willow Aphid
Scale
Leucanium Scale |
|