close-up of a striking dark red dahlia flower, its petals unfolding around a bright yellow core, set against a lush green

dahlia dark red flower blooming petals yellow center garden flora botanical closeup vibrant natural spring summer plant blossom floral nature outdoors horticulture cultivation bright vivid lush greenery beautiful ornamental detailed gardening perennial decorative colorful fresh pollen macro outdoor radiant delicate contrast ecofriendly bold foliage ecology close-up striking its unfolding around core set against green background background view