you could DIY the correct setup by drilling the number of holes you needed into the middle of the upper pot's base.

We're not looking to attract mosquitos. Sometimes your flower pots will have punch holes you can poke out with a screwdriver (like the one in the middle of this planter). It's always a good idea ...

Plastic bottles of all sizes can be handy in gardens, as plant pots, hanging pots and to build a sustainable vertical garden.