I finally broke down and put together a whisky barrel bog, mainly because the Sars are overcrowding the VFTs in my existing planters. Anyway, I got a half whisky barrel and one of the black plastic tubs that fit inside the barrel. I put down a PVC pipe to monitor the water level and have a palce to remove excess water when it rains. The soil is a 50/50 mix of peat and sand.
Now for the question. How close to the surface should I keep the water level? I have a mix of plants I want to put into the planter, including: