Cold-resistant but not heat-resistant, like sunny, dry, ventilated and well-drained fertile loam. The optimum temperature for seed germination is 2 1 ~ 22℃, sowing in autumn and sowing in the following spring; A double-petal variety that is not easy to bear fruit, divided into plants or cut leaves in autumn. Carnation is a kind of medicinal plant, which has the effect of clearing heat and diuresis.
Carnation is a perennial grass flower of Dianthus family, which is now cultivated as a biennial flower. Plant height is 30-50 cm, white and green. The stems are tufted and smooth and hairless. Leaves strip or lanceolate. Flowers are solitary, single or double, with light red, red, light purple, purple, white and multiple colors, and the petals are serrated; The flowering period is from May to September. Capsule is rectangular with black seeds. The other species produced in Europe is Dianthus americana, whose flowers are cymes.