Luffa cylindrica is a great option for growing something unusual, but is practical too! As the fruits mature, they will dry out and leave a fibrous core, which can be used as a loofah sponge or a scouring tool to use in the kitchen. The fruits are also edible if they are harvested young and eaten like courgettes. These will require a greenhouse to grow, as they are grown in the same way as cucumbers, but they are certainly worth the time and resource!Best grown in a warm, humid greenhouse with a minimum temperature of 15C (60F). Plant at a spacing of 45cm (18"). Water well after planting until fully established. Water plants regularly, apply greenhouse shading as required and create a humid atmosphere by regularly spraying or damping down pathways.Train the main shoots onto canes until they reach the top of their support and then pinch out the growing point. Pinch out side-shoots once fruit begins to develop, leaving two leaves after each fruit. As fruit matures it will dry out and the