25 LUFFA SPONGE GOURD (Vegetable Sponge / Smooth Luffa / Sponge Luffa / Climbing Okra / Dishrag Gourd) Luffa Cylindrica Vine Seeds COLOR: Green Shells with off white sponges HARVEST: 60 Days PLANT HEIGHT: 48 - 72" Vine . . . PLANT SPACING: 60 - 72" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Average The Luffa Gourd is an open pollinated variety. You just allow the gourd to dry and peel off the skin to reveal the sponge. How cool is that?