Pest identification
What's eating my annual phlox 'sugar stars'?
Spider mites (Tetranychus urticae)
Signs: Tiny pin-prick yellow stippling across leaves; leaves dry and bronzed in hot weather; fine webbing visible under leaves in heavy infestations.
Control: Spray forcefully with water every other day to dislodge mites; apply insecticidal soap or neem oil, targeting leaf undersides; keep plants watered to reduce heat stress.
Aphids
Signs: Soft-bodied colonies cluster on growing tips and flower buds in spring, causing curled leaves and sticky honeydew deposits.
Control: Blast off with a firm water spray; apply insecticidal soap or neem oil; encourage ladybirds and lacewings which naturally control aphid populations.
Thrips
Signs: Silvery or brownish streaking on leaves and petals; flowers may be distorted or fail to open; thrips hide inside buds.
Control: Remove and dispose of affected buds and flowers; spray with insecticidal soap or spinosad; reflective silver mulch reduces thrips immigration.
Keep annual phlox 'sugar stars' pest-free
Healthy plants resist pests best. Get the basics right:
Annual Phlox 'Sugar Stars' pests — FAQ
What is eating my annual phlox 'sugar stars'?
Annual Phlox 'Sugar Stars' is most commonly troubled by spider mites, which thrive in the hot, dry spells that coincide with peak flowering. Aphids cluster on new growth in spring. Thrips scar petals and leaves. Keeping plants well-watered and not overcrowded greatly reduces pest pressure.
How do I get rid of spider mites (tetranychus urticae) on annual phlox 'sugar stars'?
Tiny pin-prick yellow stippling across leaves; leaves dry and bronzed in hot weather; fine webbing visible under leaves in heavy infestations. Spray forcefully with water every other day to dislodge mites; apply insecticidal soap or neem oil, targeting leaf undersides; keep plants watered to reduce heat stress.
How do I get rid of aphids on annual phlox 'sugar stars'?
Soft-bodied colonies cluster on growing tips and flower buds in spring, causing curled leaves and sticky honeydew deposits. Blast off with a firm water spray; apply insecticidal soap or neem oil; encourage ladybirds and lacewings which naturally control aphid populations.
How do I get rid of thrips on annual phlox 'sugar stars'?
Silvery or brownish streaking on leaves and petals; flowers may be distorted or fail to open; thrips hide inside buds. Remove and dispose of affected buds and flowers; spray with insecticidal soap or spinosad; reflective silver mulch reduces thrips immigration.