I agree @wild edges. I have them in the garden, and get cosmetic damage to shrubs, but that's about it. Heucheras in pots are a particular favourite, as many people have realised. Interesting about the spiders. Plenty of those here That's a good point too @Palustris, re eating in a straight line. Captive audience in pots aren't they?
The OP has a raised bed though, so they [the nematodes] might be more effective for that.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
In addition to the above, I've often wondered if the adult weevils prefer laying their eggs in the soft, open, easily excavated compost rather than tough, gritty, compacted garden soil. The grubs on inspection, don’t look like great diggers so compost may be the ideal medium for them. I have a bay in a pot and it gets tanned by vine weevil to the extent that I can’t find a whole leaf to cook with. I’m going to repot in John Innes to see if that helps any.
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That's a good point too @Palustris, re eating in a straight line. Captive audience in pots aren't they?
The OP has a raised bed though, so they [the nematodes] might be more effective for that.
I live in west central Scotland - not where that photo is...
however avoid primulas, heuchera, roses, dahlias, pansies, violas….. I hate them as all my plants are in pots, the bain of my gardening life.
"Have nothing in your garden that you don't know to be useful, or believe to be beautiful."