You might also consider using tea leaves if you do vermicomposting (Using red wriggler worms) My worms have actually ignored watermelon, bananas, white bread, coffee grounds and other favorites to go after used tea bags. Now that I use loose tea it's not so obvious, but when I collect leaves in one area of my worm bin the worms will congregate there.
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Also, if you want to do a favor to your rhododendrons and azaleas you cn scatter the leaves around them. You can also do some interesting things with the colors of hydrangeas with tea and coffee wastes.