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Hibiscus Plants

Q.Hibiscus Blossoms With Black Dots

dlmason added on October 5, 2011 | Answered

My Hibiscus blossoms (now wintering indoors) have black little dots on them. Are these little dots the sign of a spider or bug? The blossoms still bloom into the full flower and it’s obvious that the tree is getting ready to go into dormacy soon, but I’m wondering about those little black dots – I’ve looked at them, they don’t move or anything.

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Certified GKH Gardening Expert
Answered on October 9, 2011

They are either the pests themselves, like scale, or damage from the pests. Many pests that can affect hibiscus do not move much once attached to the plant. Before bring it indoors for its dormant period, spray it down with jets of water to knock off as many as the pests as you can and then treat the plant with a pesticide. An organic or chemical pesticide will work, which you use is up to you. This will help keep the pests from spreading to your other plants indoors.

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