Sunflowers are one of my most favorite flowers, I read several articles about their meaning and following is a compilation of what I read:
* Sunflowers are a symbol of self-acceptance and self-confidence.
*No flower can lift spirits up quite like sunflowers can. Bright and cheery, bold yet comfortable. Sunflowers are the happiest of flowers.
*Sunflowers have also been adopted as a symbol of happiness, strength
*The sunflower is always seeking out the light. Symbolically, this is spiritually akin to the soul of humankind always seeking and attaining unity with the light.
*Sunflowers other common meanings include:
Nourishing yourself and others
symbolize loyalty and longevity.