Flowers by Karen. Established in 1988, Flowers by Karen Ltd has built up a reputation of being one of the most cutting edge florists in the industry. Winning the coveted RHS Chelsea Flower Show Gold Medal, as well as being voted one of the top 10 leading florists in the UK by the Independent on Sunday. Flowers by Karen is based in Guiseley just 12 miles from the city centre, has a wide delivery area covering Leeds, Bradford, Ilkley and Harrogate. Specialists in Weddings. Karen and her team have a wealth of experience on hand, and it is their role to understand your dream, interpret it with colour, design and vision, using a wonderful selection of flowers to make your special day come true. Beautiful flowers can transform your wedding day and working closely with the Flowers by Karen team, you will achieve stunning results. There is a consultation area where you can discuss, in detail, all your floral requirements. The team at Flowers by Karen are constantly working to very high standards of quality and customer care. Flowers School. The aim of the Flowers by Karen Flower School is to share the skills and design philosophy of Flowers by Karen with everyone. Courses have been specifically designed to meet different needs, florists who wish to improve their skills, or those who may have an ambition to make floristry a career.