stunning pink dahlia flowers by the name penhill watermelon, photographed against a clear blue sky at the rhs wisley garden, uk

asteraceae autumn beautiful beauty bloom blossom blue botany bright clear closeup color colorful colourful compositae dahlia dahlias day destiny destinys eyes flora floral flower flowers garden head heads horticulture late natural nature october penhill perennial petal photographed pink plant rhs shaped sky star stunning summer sunny surrey teacher texture textured watermelon wisley woking