Flowers:

PostARose.com
Send beautiful roses, bouquet, house plants and gifts online. There's also a great range of food hampers and, if you want to really push the boat out, why not check out the 'roses for a year' option? A brilliant way to demonstrate your undying affection...
Arena Flowers
Arena Flowers is a leading UK florist with a straightforward, easy-to-use website that promises customers will be one hundred per cent satisfied - or they'll give you you a refund or offer re-delivery. Part of its range is accredited as organic and ethically grown.
Clare Florist
Clare Florist will send beautiful, fresh flowers suitable for any occasion around the UK. Choose from among roses, lilies, carnations and freesias, or take your pick from a great range of colour-themed bouquets and arrangements.