With terrariums, there are two choices. Either leave the terrarium open to the elements or close it up with a stopper. If you aren't a botanist, it isn't immediately obvious why you'd choose one ...

Gardener Peter Dowdall shares everything you need to know about terrariums, the garden in a glass jar that brings the outside ...

If you fancy splashing the cash, there are loads of tailor-made terrarium containers available to buy online, both with and without a lid. For an open terrarium (aka, without a lid), we love the ...