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Hyacinth Plant

Q.I think I have scale on my scabiosa pin cushion flowers

Zone 91350 | Gmakimmie61 added on June 27, 2018 | Answered

Wanted to know if I should spray with neem oil- I live in So California – zone 9

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Answered on June 28, 2018

Neem oil will not be effective to control an existing scale infestation. It works best as a preventive, before and during the inmature "crawler" stage. Scale insect adults are protected from contact sprays. During an active infestation you neem to use a systemic insecticide.

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