This week the Plant Daddies discuss Hibiscus rosa-sinensis, a surprisingly reliable flowering tropical for a sunny spot indoors - not just outside. Stephen's familiar with these plants, but most of his experience comes from… a video game? How should you fertilize for optimum flowering? And there are cultivars with brown flowers? Matthew takes us on a long walk through pruning, to an extent that many houseplant parents may not have needed to go before.