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Garden Phlox

Phlox arendsii

Phlox arendsii documentary photo
Phlox arendsii documentary photo
☀️ Full sun, Partial shade 📏 100 cm 🌿 Perennial

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At a Glance

Botanical namePhlox arendsii
Common name(s)Garden phlox
FamilyPolemoniaceae
Plant typeperennial (Hybrid created by crossing P. paniculata with P. divaricata)
Height × Spread100 cm × —
PositionFull sun, Partial shade
Soilfertile, evenly moist soil; well-drained soil; moist, humus-rich conditions
FloweringJuly–September
Toxicity
Native range

Pests and Diseases

ProblemSymptomsManagement
Powdery mildewWhite, dusty fungal growth appears on leaves and flower heads, often causing distortion.Ensure good air circulation, water at the base, and apply a fungicide if severe.
Slugs and snailsIrregular holes in leaves and slimy trails across foliage and stems.Use copper tape, beer traps, or iron phosphate-based pellets to deter feeding.
AphidsClusters of small green or black insects on new growth, often accompanied by sticky honeydew.Spray off with a strong jet of water or treat with insecticidal soap.
Root rotWilting and yellowing leaves despite moist soil, often due to poor drainage.Plant in well-drained soil and avoid overwatering to prevent waterlogging.

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Sources & further reading

Care guidance on this page is compiled and reviewed against trusted horticultural sources: