lythrum salicaria blooms with purple flowers on the banks of the maschinenteich pond in july. potsdam, germany

garden outdoors europe pond park potsdam banks bloom blooming blooms blossom botanical botany colorful family lythraceae flora flower flowering plant germany grass july landscape leaves loosestrife lythrum salicaria natural outdoor petal pink plants pollen purple flowers season summer tourism violet water wild wildflower wildflowers tree trees germany maschinenteich july belonging lythraceae