Are you making this? Do you have a question?

Hi! maybe this will help

https://www.instructables.com/id/My-DIY-Instructions-for-a-Tipsy-Plant-Tower/

Do you want something like this?

https://www.graceandgoodeats.com/diy-vertical-planter/

What is your project? Can you provide greater details?

I am not sure what your question is.

Hello Mar211, hope this helps you out, it seems like this is what you are looking for

https://www.coupdepouce.com/galeriemedia/pinterest-10-idees-de-cours-urbaines-1#slide-10

I think you might be looking for this: https://celebrateanddecorate.com/found-rebar-aisle/

If you have pots that get smaller and smaller you can stack them like a tower

Hi! Here's a cute one:

https://www.hometalk.com/17804217/fun-n-easy-stacked-patriotic-pots

Fun 'n Easy Stacked Patriotic Planters

The only reason you cover plants is to keep the frost off. Therefore only cover outside plants not ones inside garage.