Always better to line a barrel. Even better, if you are able to sink the barrel into the ground and ensure you have enough liner, you can extend the liner beyond the barrel and make a bog garden all the way round. I did this years ago and it worked well and once the plants mature, it looks attractive - certainly the frogs,newts and various other beasts thought so anyway
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I did this years ago and it worked well and once the plants mature, it looks attractive - certainly the frogs,newts and various other beasts thought so anyway