The summer squash plants at LA Green Grounds spread on the ground, with a couple of zucchinis growing unnoticed till they were nearly the size of a hefty baguette. So it's understandable that the long green fruit on a nearby vine seemed like just another sort of squash.

Ah, but it wasn't. We've produced our first luffah (or loofah), and on the vine they look quite a bit like summer squash. But it’s another story once harvested.

"It was a lot of fun, peeling back the skin and voila, there was a sponge!" said Florence Nishida, the garden founder.

Luffah is in the gourd family, and can be eaten if cut when it’s young and abut 6 inches long. But leave the fruit to mature, which can mean two feet long, and you’ve got a bathtub accessory. It’s a scruffy sponge, often used to exfoliate the skin. Make sure to rinse it and dry it out after use to keep it free of bacteria.

Let the luffah dry out in the sun before using it. You can save the seeds for next season.

- Contributed by LAGG Garden Keeper Mary M.