There aren't many herbs that can be harvested in winter. Usnea, however, is a lichen that grows on the branches of very tall trees, so it takes a good winter wind to blow down limbs and make for a good harvest.
This herb has shown promising activity against gram positive bacteria in studies. Traditionally, Usnea is used as a cooling, drying herb, with a special affinity for wound care and for the lungs.
This herb doesn't make a particularly good tea, as the useful bits aren't easily soluble in plain water, but making an alcohol based extract yields a much more potent potion. It's also really easy.
Here's how to make your own usnea extract!
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