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Phytophthora Root Rot in Lavender (English)
How to identify and treat phytophthora root rot in Lavender (English).
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Lavender (English) care requirements
water
Sparingly once established. Drought tolerant.
soil
Well-draining, poor, alkaline soil. Raised beds are ideal.
light
Full sun.
symptoms
Symptoms to look for in Lavender (English)
- fiber_manual_recordWilting, yellowing, or thin, sparse foliage despite adequate watering
- fiber_manual_recordDark, mushy, foul-smelling roots that slough off outer tissue when squeezed
- fiber_manual_recordSlow decline in growth and eventual plant death
help
Common causes in Lavender (English)
Caused by soil-borne Phytophthora species that produce motile spores which thrive and spread in waterlogged, poorly drained soil, infecting fine feeder roots first.
healing
How to treat phytophthora root rot in Lavender (English)
Improve drainage immediately, reduce watering frequency, and remove severely affected plants; fungicide drenches may help protect valuable plants caught early.
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Preventing phytophthora root rot in Lavender (English)
Plant in well-drained soil or raised beds, avoid overwatering, and choose resistant rootstocks or species in areas prone to wet soil.