With the clocks going forward this weekend, there’s an extra hour of gardening to enjoy. Monty makes the most of this as he begins to sow dahlia seeds for summer flowers, reveals a new project and shows what to plant now in the vegetable garden.Adam Frost is in his own garden as he extends the planting in his gravel garden and reveals his plans for the coming year. Meanwhile, there's a passionate grower in north London who has filled her home with cacti and succulents.Last year, Frances Tophill met ecologist and professor of biology Dave Goulson, who has planted his garden with the conservation of insects in mind. And there's a second chance to meet Poppy Ocotcha as she discusses how she utilises every available space to grow vegetables on her barge.