Broccoli, Cole crops: Aphids Categories: Broccoli, Cole Crops Broccoli, Cole crops Insects Vegetables Last review date: 2026-09-29 06:57 Last edit date: Aphids on kale leaf Photo by: C.A. Miles Biology Aphids are small, pear-shaped, soft-bodied insects. They may range in color from yellowish to a waxy gray-green. Aphids typically feed on the underside of leaves, […]
Broccoli, Cole crops: Cabbage maggot Categories: Broccoli, Cole Crops Broccoli, Cole crops Insects Vegetables Last review date: 2025-10-31 02:21 Last edit date: Cabbage maggots and damage on turnip Photo by: A.L. Antonelli Biology The cabbage maggot is the larva of a gray fly that is about 3⁄16″ long. Females lay eggs near the base of […]
Broccoli, Cole crops: Black rot Categories: Broccoli, Cole Crops Broccoli, Cole crops Diseases Vegetables Last review date: 2025-10-31 02:29 Last edit date: Biology Black rot is a bacterial disease affecting most cultivated and weedy plants in the mustard family. Cabbage and cauliflower are the primary cultivated hosts in Washington. The bacteria enter via wounds or […]
Broccoli, Cole crops: Flea beetles Categories: Broccoli, Cole Crops Broccoli, Cole crops Insects Vegetables Last review date: 2026-03-15 05:29 Last edit date: Flea beetles and damage on kale Photo by: C.A. Miles Biology Flea beetles are small, brown to metallic black beetles with a habit of jumping like fleas when disturbed. They feed on many […]
Broccoli, Cole crops: Imported cabbageworm Categories: Broccoli, Cole Crops Broccoli, Cole crops Insects Vegetables Last review date: 2026-08-28 02:06 Last edit date: Imported cabbageworm and damage on cabbage Photo by: A.L. Antonelli Biology The imported cabbageworm is the larval stage of the cabbage butterfly. The adult butterfly has white wings, with black tips and spots […]
Broccoli, Cole crops: Clubroot Categories: Broccoli, Cole Crops Broccoli, Cole crops Diseases Vegetables Last review date: 2025-10-31 03:04 Last edit date: Clubroot symptoms on cabbage Photo by: L.J. du Toit Biology Clubroot is a disease that affects plants in the mustard family. It is caused by a soil-borne fungus-like organism. Affected plants develop abnormally large […]
Broccoli, Cole crops: Downy mildew Categories: Broccoli, Cole Crops Broccoli, Cole crops Diseases Vegetables Last review date: 2026-08-28 01:39 Last edit date: Downy mildew symptoms on broccoli Photo by: R.S. Byther Biology Downy mildew is a fungal disease typically found on leaves of broccoli, cabbage, and other plants in the mustard family including weeds. Leaves […]
Broccoli, Cole crops: Loopers Categories: Broccoli, Cole Crops Broccoli, Cole crops Insects Vegetables Last review date: 2026-09-29 06:57 Last edit date: Green alfalfa looper Photo by: A.L. Antonelli Biology Loopers are typically green caterpillars up to about 1 1⁄2″ long. They may have pale or dark stripes along the body. They are distinguished by their characteristic […]
Broccoli, Cole crops: Thrips Categories: Broccoli, Cole Crops Broccoli, Cole crops Insects Vegetables Last review date: 2026-09-29 06:57 Last edit date: White speckling damage on pea leaf caused by thrips Photo by: A.L. Antonelli Biology Thrips are tiny (≤1⁄20″), elongate, yellowish to dark insects. Thrips feeding can result in whitish stippling or streaking of leaves. […]
Broccoli, Cole crops: Oedema Categories: Broccoli, Cole Crops Broccoli, Cole crops Diseases Vegetables Last review date: 2026-03-15 05:48 Last edit date: Oedema symptoms on top and bottom of geranium leaf Photo by: R.S. Byther Biology Oedema is a physiological problem. Symptomsare usually seen on the lower side of leaves, but may occur on any part […]