Can't you just squash them?
I got some Ipomoea aquatica seeds from
I had them in an unheated greenhouse, some in a tub of water, some in wet...
Yes, that wood looks very convincing. Nice job. :)
You only need to leave the ugly traps in for a few days, till the flies are taken care of. :)
Yellow sticky traps, as sold for greenhouse use. You might need to cut them to fit, or improvise ways of hanging them.
Or maybe a potted Sundew...
Here are a couple:
I've never grown those; over to any-one who has. :)
That sounds a bit hot. What species are they?
It absorbs moisture, a very useful quality in a cat litter. :)
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