Fruit cages are generally to stop birds. you need the pollinators to have fruit. if you really need to keep out butterflies you will need smaller holed netting.
I assume you have got netting that is butterfly proof. Is it well pegged down at the base with no gaps? If yes, then the butterflies must have been in there already - maybe as caterpillars. I also have veg cages and found that even if a tiny bit of brassica leaf is touching the netting, butterflies will lay eggs on it. I've give up with it now and just grow soft fruits
Billericay - Essex
Knowledge is knowing that a tomato is a fruit. Wisdom is not putting it in a fruit salad.
I'm with @Dovefromabove on this. A fruit cage needs access for pollinators, which includes butterflies, so it will have bird-proof, but not insect-proof, netting. You can grow some veg in there with no problem - things like courgettes or peas, which need insects to pollinate their flowers. If you want to grow brassicas in your fruit cage they'll need a separate insect-proof net.
Since 2019 I've lived in east Clare, in the west of Ireland.
Thanks everyone. I should have said that although it’s a fruit cage, I only have veg in there. The butterflies are definitely getting in but can’t necessarily get out. I’m very new to gardening and didn’t want my tomato plants etc being eaten after growing them all from seed😁
Posts
if you really need to keep out butterflies you will need smaller holed netting.
I assume you have got netting that is butterfly proof.
Is it well pegged down at the base with no gaps?
If yes, then the butterflies must have been in there already - maybe as caterpillars.
I also have veg cages and found that even if a tiny bit of brassica leaf is touching the netting, butterflies will lay eggs on it.
I've give up with it now and just grow soft fruits
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.