Food in Jars reminded me of a cool wedding favor: herbs plants. Awhile back, I went to a bridal shower and received a little sage plant as a favor. I planted it in my garden and it has since gotten huge. I use it all the time in cooking.
As much as I think favors are unnecessary at weddings, I like the idea of giving a plant as a wedding favor. Herbs are a good choice because they smell nice, they are a gift people can use, and they are cheap to assemble. If you wanted to be frugal and had the time, you could probably grow all your favors yourself for minimal cost.
Along those same lines, I like the idea of tree saplings as wedding favors.
Weddingbee has a story of a couple who gave the above seedlings as a favor because they got married on a family farm, which had a road lined with cedar trees leading up to it. That sounds lovely.
Another site advocated giving packets of seeds, or two flower bulbs in a box, as favors. Both excellent ideas.
Plants symbolize something growing and getting stronger and eventually producing fruit… just like love! Awwww… Anyway, it’s certainly a more environmentally friendly choice for a favor. Better than, say, this:
(Food in Jars link via Justinsomnia)