Saving Seeds/Onward and Mossward

S4, E9: The pals want their favorite sunflower to stick around a little longer, but the growing season is over! Is there anything they can do to enjoy their sunflower once again? Fear not, crew! Granny Bunny has an idea that could help. Then, when the gang gets lost during a treasure hunt, Nature Cat says to follow mossy trees home. But will his camping trick do the trick?