
The philosophy is to not have the roots immersed in water. By sloping the hole towards a sump you reduce the bog effect around the roots. You can use the gravel sump to pull out water when there is too much water that won’t drain.

The philosophy is to not have the roots immersed in water. By sloping the hole towards a sump you reduce the bog effect around the roots. You can use the gravel sump to pull out water when there is too much water that won’t drain.