Boundary House Fen, Frilford Heath Golf Course - Saturday, 7th November 2026
Blog by Sally. Photos by Julio, Roger and Sally. On a dreich Saturday morning, we returned to Frilford Heath Golf Course for our session at Boundary House Fen. The volunteers parked in the old Greenkeepers' compound, and then made our way to the Fen where we met Roger, our leader for the session with the tools, and consultant ecologist, Rod d'Ayala. There were 16 Green Gymmers afforced by Rod and two of his contractors, Steve and Sam. Boundary House Fen is a calcareous, or alkaline fen, which means that the spring water that feeds it percolates through a layer of chalk, thereby making it less acidic than normal fens. They support a suite of plants (and insects) that prefer these alkaline conditions and are a very rare habitat so it is important that we protect them from pollution and material changes due to mineral extraction or developments in the catchment area in order to allow them to thrive. They are also marvellous carbon stores so it's ve...