Monty Don is planning ahead and planting autumn flowering crocus at Longmeadow. Also for autumn colour, he's adding cyclamen to the spring garden, and has tips on how to get a great show from them.
Joe Swift visits Marks Hall, a surprising but inspiring modern garden created within the original walls of a Victorian kitchen garden. And Carol Klein is in Staffordshire with a couple who've created a garden for all seasons in their half-acre plot.
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Ready to Watch Gardeners World, Season 44, Episode 18?