Can anyone tell me what this magenta colored flower is?

Question

http://www.flickr.com/photos/kiragunderson/2654926984/

Answer 1

Lychnis coronaria (rose campion)

It's a perennial that likes sun to part shade with moderate water. It does re-seed and it is not long lived. There are a few different varieties and there is a white one available too. Lychnis 'Gardener's World' is a nice double form.

http://www.rainyside.com/features/plant_...