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Identifying whiteflies on Lavender
Tiny white insects that fly up in a cloud when the plant is disturbed, though infestations are relatively uncommon on this aromatic herb.
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Life cycle
Eggs laid on leaf undersides. Multiple generations per year. Thrive in warm temperatures.
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Damage to Lavender
Whiteflies sap-suck on foliage, weakening growth, though Lavender's strong essential oils make it a less preferred host than softer, less aromatic plants.
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How to treat whiteflies on Lavender
Use yellow sticky traps to catch adults, and spray forcefully with water to dislodge nymphs from the undersides of leaves.
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Preventing whiteflies on Lavender
Good airflow and avoiding overcrowded planting reduce whitefly populations, which prefer still, humid conditions Lavender's preferred dry, breezy spots don't provide.