drainage

Hello All, I have a garden bed which has a base so I fear it may become water logged , how would I go about doing the drainage, just to note the garden bed is concrete. Underneath the concrete bed is earth soil and the bed is also water proofed as well ,I just want to put some trees for shade...

Another interesting video, this time about how the rain has affected his garden. What plants died and what plants thrived?

I had lemon & lime tree this winter that got killed by weather. (Freezing) so the decision to put in grow bags were made so I am able to move under cover during winter freezing weather. This was by chance: I used center of gamma lid to keep bag shape with drilling drainage holes & it seems to...