What does it mean that a rose will warm itself without saying a word?

Roses bloom silently, but they warm the whole garden.

Roses don't talk, don't compete, and blooming alone will warm the whole garden and passers-by and let them take away a little fragrance.

Roses like sunny, cold-resistant and drought-tolerant, and loose and fertile loam or light loam with good drainage; It should be planted away from the wall and in a well-ventilated place. Its branches are mostly needle-shaped, odd pinnate compound leaves and oval.