Luffa Cylindrica Sponge Gourd Egyptian Cucumber Vegetable Seeds 10 seeds Luffas like full sun & a well-drained but moist soil, enriched with plenty of compost or well-rotted manure. They are grown like a winter squash or hard-shelled gourd & their long (30 feet isn’t unusual) vigorous vines need lots of room to roam or a sturdy trellis to clamber over. Luffa (Luffa aegyptiaca) is a large gourd that takes about 90 to 120 days until it gets to full maturity. Luffa Cylindrica Sponge Gourd Egyptian Cucumber Vegetable Seeds 10 Seeds