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Ornamental Plants (Narcissus aphids and eel worms)

Narcissus (aphids and eel worms).

Oak (anthracnose, caterpillars, powdery mildew, scale, leaf beetle, and twig pruner). Osage Orange (scale, bark louse, and caterpillar).

Peach (scales, caterpillars, and borers).

Peony (stem rot and leaf spot).

Phlox (leaf spot fungus and powdery mildew).

Pine (rust, leaf spot, leaf scale, bark louse, saw fly, and weevil). Poplar (anthracnose, rust, leaf beetle, scales, bark louse, borers, and caterpillars.) Privet (anthracnose, twig blight, and webworm).

Quince (anthracnose, black rot, and San Jose scale). Red-bud (caterpillars).

Rhododendron (lace-wing fly and borers).

Rose (anthracnose, mildew, crown gall, nematodes, slugs, scales, and thrips). Shad-bush (red spider).

Snapdragon (anthracnose, stem rot, and wilt).

Snowball Bush viburnum (aphids).

Solomon's Seal (leaf fungus).

Sour Gum (caterpillars).

Spice Bush (scale and caterpillars).

Spruce (leaf spot, red spider, bug worm, caterpillars, and weevil). Sumac (canker, scale, and caterpillars).

Sweet Gum (bagworm and other caterpillars).

Sycamore (anthracnose, powdery mildew, leaf folders, caterpillars, and scales). Thorn (caterpillars, scales, plant lice, aphids, and leaf beetle). Tree of Heaven (rose scale).

Tulip Tree (scale and caterpillars).

Verbena (mildew).

Veronica (leaf diseases).

Viburnum (see Snowball Bush).

Violet (nematodes and leaf spot).

Virginia Creeper (leaf spot, caterpillars, and scales). Walnut (anthracnose, mildew, canker worms, caterpillars, and scales). Willow (caterpillars, leaf beetles, borers, and bark louse). Wisteria (leaf beetle).

Witch Hazel (caterpillars).

Yucca (caterpillars and grubs.)