Gardening with a generous nature : some ground rules -- How plants grow -- Opportunistic or invasive? -- Making the most of your garden -- Self-sowers : the price is right -- Guide to serendipity : taking editorial control -- Start a seed collection -- Propagation : sow it grows -- 50 faithful volunteers -- Plants that spread : when a little goes a long way -- Guide to abundance : reuse, replant, repeat -- Propagation : easy pieces -- 50 thrilling fillers -- Frost-tender plants : push the zone -- Guide to optimism : plan ahead and save for later -- Propagation : beg a cutting -- Overwintering : in from the cold -- 50 come-back keepers -- In sum.