ID help: dirty-looking leaves

[Scooty]

Originally Posted by soozbz

Thanks for the great info, everyone! The pyrethrin, dish soap and diatomaceous earth combo sounds worth a try. I suspect this might be too big a job for my tiny spray bottle - maybe it's time I invested in an actual garden sprayer!

You might want to consider spinosad too.

Originally Posted by oakley

I'm finding with a few of my early issues with fungus gnats and aphids, caught early, but
non the less aggressive, is using a combination of organic treatments that deal with all
the 'life stages' of the ugly predators.
Not one product solved the problem.

The Cannabis growers have so much of that figured out being 'high value' crops.

bt will take care of your fungal gnat larvae, which for me do more damage than the gnats themselves. Once they get to adult stage, there are plenty of things that will kill them.