Luffa grown in the U.S., like the ones from The Luffa Farm, don’t have to be treated with anything since they’re not imported from overseas. They just get a quick rinse before they’re sold.

Lisa Huntley says she planted the seeds in April and that the luffa still has about a month left before harvesting.

Learn how to grow tea trees and luffa plants! (26m 46s) Add interest to landscape beds by using herbs (2m 44s) Discover how luffa plants are grown to make natural sponges! (7m 34s) ...

Luffa Squash Cultivated in Costa Rican Gardens have edible shoots, flowers and immature fruit, and can be an exfoliating sponge.