Where can i get bright coloured gerbera seeds in london?

I have no idea about planting flowers, this is just for the parents... but i've seen those beatiful bright coloured gerberas, and I dont know if they are dyed or natural, but I would love to get seeds for those bright coloured ones - like the orange and spring green and bright pink..........also what temperatures/climate r they best in?? THanks a lot guys, i know i'm a clueless...help me be a pro at this?:)

Where can i get bright coloured gerbera seeds in london?
The only colour they don't come in is blue.Don't know London that well,except the usual tourist places,


I come from Oo- Arr Devon!!!!


You can get them online from either of the following seed companies


http://www.johnsons-seeds.com/acatalog/f...


or


http://www.suttons.co.uk/ProductList.asp...





They are an annual, which means they flower then die in one season.They don't like cold/frost. So a nice sunny summer is what you need.