Gall Midge

irun5kJuly 11, 2011

Hi all,

For the last two years my hibiscus (Painted Lady) has experienced 100% bud drop in mid summer. Last year I thought it was the climate but this year I started to have some doubts. Sure enough, I put several yellowing buds into a ziplock and it appears I have gall midge (small yellow larvae are present.)

Advice I've found so far calls for a ground-based offensive (e.g. Triazicide) as well as an arial defense of spraying the plant. Is Sevin effective for spraying? Their label says it is, but I've yet to see it (or its active ingredients) recommended in the context of a hibiscus. I already have Sevin concentrate and would prefer to use it if it will be effective, but will buy something else if not.

Many thanks

Thank you for reporting this comment. Undo

Update: I put down Bayer granules w/imidacloprid and sprayed with Sevin. After a few days I was still seeing larvae in aborted buds. I think the problem is that the larvae are nice and secure in the bud, and Sevin is non-systemic.

So, Today I sprayed with Bayer 3-in-1. I hope that will help. I've been removing all the lose buds daily and disposing of them in a ziplock.

Hopefully I will get this issue quared away soon.

    Bookmark   July 17, 2011 at 9:15PM
Thank you for reporting this comment. Undo
rosco_p(z6a ont.canada)

irun5; Looks like you are beginning to have a bit of improvement with your bud dropping Hibiscus. I have not experienced this problem so am unable to offer any solutions but do hope that you get it under control and can once again enjoy the flowering of your plants.

    Bookmark   July 18, 2011 at 9:17AM
Thank you for reporting this comment. Undo
jean001a(Portland OR 7b)

Sevin won't touch gall midge -- the stuff is for chewing pests.

Here's some info about the midge

Here is a link that might be useful: gall midge & management

    Bookmark   July 24, 2011 at 12:03AM
Sign Up to comment
More Discussions
WANTED: Habiscus
looking for all colors
How beautful are these!!!
These are winter hardy hibiscus that i just ordered. They...
Help with Hibiscus
I would love to find some real y drop dead gorgeous...
Chickey Wingz
baby herd a little over 3 months
Here is my little seedling herd a little over 3 months...
Probable Identity, Please
Here is a photo of a double salmon orange hybrid in...
© 2015 Houzz Inc. Houzz® The new way to design your home™