Did you know a luffa comes from a plant similar to a climbing courgette & not the sea! Grow your own sustainable luffa sponge! Perfect to use as an ‘eco-friendly’ home-grown pan scourer or bath luffa Luffa can be cooked & eaten like courgettes when they are young & tender (up to 15cm) Why just grow veg when you can grow other household staples too! Why not take up the ‘ Luffa Challenge’ These plants grow like cucumbers & need a greenhouse.