You Can Grow (and Eat) This Sponge
by Amanda Blum from Lifehacker on (#6BQ0M)

Within each seed catalog, there are plants you flip past-the ones that you've never heard of. These plants tend to lean towards crops" that you don't think you have the room to grow: sorghum, those warty gourds, wheat. Every year I ask myself, Who is growing all those cardoons?"