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Rust in Phlox Annual
How to identify and treat rust in Phlox Annual.
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Phlox Annual care requirements
water
Keep soil consistently moist but not waterlogged; water at soil level to avoid leaf spotting; allow soil to dry slightly between waterings
soil
Well-draining, moderately fertile soil; loamy, slightly acidic to neutral pH (6.0–7.0)
light
Full sun (6–8 hours daily); tolerates partial shade in hot climates
symptoms
Symptoms to look for in Phlox Annual
- fiber_manual_recordOrange or brown pustules on leaf undersides
- fiber_manual_recordYellow spots on leaf tops
- fiber_manual_recordPremature leaf drop
help
Common causes in Phlox Annual
Caused by various Puccinia and Phragmidium species. Spreads via windborne spores in moist conditions.
healing
How to treat rust in Phlox Annual
Remove and destroy infected leaves. Apply copper or sulphur fungicide.
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Preventing rust in Phlox Annual
Avoid overhead watering. Space plants adequately. Clear debris.