Frog Bit hydrocharis Morsus-ranaefrog Bit Has Dainty White Flowers That Appear In Summer & Foliage That Is Reminiscent Of Tiny Water Lily Pads. The Plants Are Dormant In Winter; Appearing Again In Spring.floating Plants shade The Pond & Reduce Algae While Providing Valuable Cover For Pond Life. these Plants Float On Top Of The Waterflowers june-augustheight 2cm/1in.spread 1m/39in