Frog Bit Hydrocharis Morsus ranaefrog Bit Has Dainty White Flowers That Appear In Summer And Foliage That Is Reminiscent Of Tiny Water Lily Pads. The Plants Are Dormant In Winter Appearing Again In Spring.floating Plants Shade The Pond And Reduce Algae While Providing Valuable Cover For Pond Life. these Plants Float On Top Of The Waterflowers June augustheight 2cm1in.spread 1m39in