We fight an endless battle with nature in an urban environment. Look out of your window, unless you're a very fastidious gardener there's bound to be a weed cheekily growing between your paving slabs. If all human life vanished overnight, maybe there's been a terrible virus or a meteor has wiped us all out, plants would soon take over our towns, our motorways and our homes. Scary thought eh!

Sometimes though, these rogue plants actually look stunning; occasionally when a plant goes to seed, a seed lands somewhere it shouldn't but ends up really suiting the location. I've got dry stone walls in my garden, and sometimes a pretty marigold sprouts forth from a crack between the stones, it looks so pretty I don't have the heart to remove it, and instead I call it a feature and pretend it was intentional.

Taking control of your urban environment by adding plants can really make a difference to a small part of a concrete jungle, adding style and sophistication to the most boring built up area.