All winter I have been collecting used tea leaves for compost, both from loose tea, and from tea bags. I like the idea of organic matter from India, China, Japan, South Africa (rooibos), and other exotic locales being used to build up my soil. Much of this pre-compost has gotten moldy, and I am wondering whether I should think twice about adding it to my beds. In particular, I know that some molds are bad for garlc, and I grow lots of garlic (less than garlic lady, but far more than any rational hobby gardener).

I have since frozen my used tea by leaving it outside; last night it got down to 7°F. Will this kill the mold? Is it worth boiling or baking it? Should I worry at all?

-John