Posted on 11 September 20212 September 2021 by David Water Mint Mentha aquatica, Compton Park pool Water Mint (Mentha aquatica) flowering in Compton Park pool. While the individual plants are attractive, they are forming an understorey with a mass of bulrushes, wehich together are encroaching on. all the open water. Post navigationPrevious post: Suede bolete by a roadsideNext post: Black sheep, white sheep, Northycote