BLUE The colour of calm, tranquillity and melancholy. Blue flowers are a unique choice and a wonderful colour to have in your garden. They symbolise serenity, contemplation and trust besides they are used to express sympathy and get well soon. Delphinium is a beautiful blue flower, in turn, it symbolises lightness of mind, changeableness and buoyancy. The most popular blue flower is probably The Morning Glory these flowers symbolise flirtation, another popular blue flower is the Bellflower similarly it means gratitude. Another famous blue flower is the Forget Me not which is commonly known to symbolise true love and fond memories. Chicory is a beautiful azure blue coloured flower that has always been referred to as weed or plain wild flower not to mention the bright blue flower that symbolises frugality.