Roof garden in Brixton, south London, where I lived for four years.
Left: Purple Cabbage Palm (Cordyline australis 'Purpurea'), to right Century Plant (Agave americana)

In crate: Cotinus 'Royal Purple' and Stipa tenuissima. In terracotta: Sempervivum tectorum

Japanese larch (Larix kaempferi) bonsai, Lavandula x intermedia on right

Allium 'Purple Sensation' and Stipa tenuissima in the 'mini meadow wooden crate on the roof, seeded with annuals and grasses.

In the first year: blue cornflowers (Centaurea cyanus)  seeded into planters

Cactus, catmint, cat