Phlox adsurgens · Perennial
Powdery mildew: Ensure good air circulation and water at the base; apply a fungicide if severe.
Slugs and snails: Use physical barriers, copper tape, or iron phosphate-based pellets to control populations.
Aphids: Spray off with a strong jet of water or treat with insecticidal soap or natural predators.
Root rot: Improve drainage and avoid overwatering; remove affected plants to prevent spread.