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Did you know that cacti can live for more than 200 years? What about the fact that the Incas used them for medicine? How about the news that the biggest cactus ever grew to 78ft but blew down in 1986!
These proven performers can handle heat, shade, drought and more – but some do come with a warning!
The world's finest share their tips for maccess
Tilly Ware visits Knoll Gardens in Dorset, which offers a masterclass in how to make your garden stay beautiful for longer
The world's finest share their tips for success
Toby shares summertime inspiration with his favourite big-leaved foliage plants that revel in the sun