Roses forum: When to apply Spinosad for thrips?

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Western Maine
Charter ATP Member
Jul 4, 2011 4:45 PM CST
I was delighted to find that spinosad is effective against thrips. But when does one spray it? Do thrips enter the buds? Or just the open flowers? Where do thrips come from? Will spinosad kill them before they destroy the flower?

Name: Toni
Denver Metro (Zone 5a)
Whiskey Tango Foxtrot.
Charter ATP Member Irises Salvias Xeriscape Birds I was one of the first 300 contributors to the plant database!
Garden Ideas: Master Level Garden Procrastinator The WITWIT Badge Region: Colorado Enjoys or suffers cold winters Cat Lover
Jul 5, 2011 9:20 AM CST
I'm no help there.. I just use Bayer Rose Protection. I'm not very green I guess. LOL. I spray whenever I see roses that look half eaten or don't open fully.
Roses are one of my passions! Just opened, my Etsy shop (to fund my rose hobby)!

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