Controlling Wax Scale on Gardenia

White, waxy bumps on gardenia branches are wax scale insects. Females lay eggs in March; crawlers emerge in May. Two-part control:

Repeat both steps for two years to eliminate the population. Crawlers are the vulnerable stage.

About Gardening: Scale Insects: Identification, Neem Oil, and Coffee Grounds Strategy; Gardenia Care: Yellow Leaves After Planting; Scale on Sago Palm: Comprehensive Non-Toxic Treatment Options; Indoor Scale Treatment Options for Schefflera; Are Gardenias Perennials? They're Evergreen Shrubs Needing Acid Soil; New Gardenia Shrubs Turning Yellow: Water, Insects, or Shock?; Wax Scale on Camellia and Maple: Two-Step Control; Wax Scale on Boxwood: Identification and Treatment Timing; Wax Scale on Boxwood: White Bumps With Red Undersides—Spray Oil Now, Carbaryl in April; Wax Scale on Japanese Maple: Identification and Control

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