RUDBECKIA INSECTS
RUDBECKIA INSECTS
Aphids suck sap from the plants. Spray with Sevin, rotenone, or use Diazinon dust.
Goldenglow sawfly may completely defoliate plants. The larvae are gray with dark stripes. No chemical control is listed.
Four-lined plant bug causes round, brown, sunken spots on the leaves. The injury is often mistaken for a disease. No chemical control is listed.
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by the editors of Old-House Interiors magazine
by the editors of Old-House Interiors magazine
