Sunflowers are known the world around as one of the most joyous and flamboyant flowers. They are bright and cheery, and as warm and inviting as the sweet summer sun. As these flowers are loyal to the sun, turning to face the sun wherever it rises, the meaning of sunflowers is also same - loyalty. Along with loyalty, they mean a couple of other things; power, nourishment and warmth. Gift these to your friends and bring in the vibes of nourishment and warmth. They represent the 3rd wedding anniversary flowers, for their message of longevity and loyalty.