Growli

Pest identification

What's eating my japanese spirea 'anthony waterer'?

Spirea aphid (Aphis spiraecola)

Signs: Dense colonies on new stems cause leaf curl, yellowing, and sticky honeydew; ants indicate infestation.

Control: Spray with water or insecticidal soap; prune out affected tips; introduce beneficial insects as biological control.

Japanese beetle (Popillia japonica)

Signs: Skeletonized leaves with only veins remaining; clusters of beetles feed together in full sun.

Control: Hand-pick into soapy water; apply neem oil as deterrent; treat lawn with beneficial nematodes to reduce grubs.

Spider mites (Tetranychus urticae)

Signs: Fine tan stippling on leaves; webbing on undersides; plants look dusty and stressed in dry heat.

Control: Water plants deeply to reduce stress; wash foliage with water; apply horticultural oil if heavy.

Keep japanese spirea 'anthony waterer' pest-free

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Japanese Spirea 'Anthony Waterer' pests — FAQ

What is eating my japanese spirea 'anthony waterer'?

Japanese Spirea 'Anthony Waterer' faces the same core pests as other Spiraea japonica cultivars — spirea aphids are the primary threat in spring, with Japanese beetles arriving in midsummer. Spider mites can flare during drought. Its dense mounded habit traps humidity, so monitor the interior for scale and mite buildup.

How do I get rid of spirea aphid (aphis spiraecola) on japanese spirea 'anthony waterer'?

Dense colonies on new stems cause leaf curl, yellowing, and sticky honeydew; ants indicate infestation. Spray with water or insecticidal soap; prune out affected tips; introduce beneficial insects as biological control.

How do I get rid of japanese beetle (popillia japonica) on japanese spirea 'anthony waterer'?

Skeletonized leaves with only veins remaining; clusters of beetles feed together in full sun. Hand-pick into soapy water; apply neem oil as deterrent; treat lawn with beneficial nematodes to reduce grubs.

How do I get rid of spider mites (tetranychus urticae) on japanese spirea 'anthony waterer'?

Fine tan stippling on leaves; webbing on undersides; plants look dusty and stressed in dry heat. Water plants deeply to reduce stress; wash foliage with water; apply horticultural oil if heavy.