Frog Life Cycle By TierneyS Nov 8, 2011 Fertilized egg The eggs are fertilized Nov 15, 2011 Tadpole Eggs hatch after 6-21 days Jan 7, 2012 Tadpole with legs 6-9 weeks after hatching tadpole grows legs Feb 8, 2012 Froglet By 12 weeks the tadpole only has a small tail Feb 22, 2012 Frog Frog songFrog has completed it's life cycle