Coronation Chrysanthemum, also known as Artemisia pontica, chrysanthemum cabbage, has artemisia's clear air, chrysanthemum's sweet aroma, the nutrients contained in the more comprehensive. Chrysanthemum Chrysanthemum is the stem and leaves of Chrysanthemum coronarium, family Asteraceae. Also known as Chrysanthemum, chrysanthemum cabbage, artemisia, with artemisia, chrysanthemum genus of one, two-year-old herbaceous plants. Chrysanthemum's roots, stems, leaves, flowers can be used as medicinal moist, have blood, heart, lowering blood pressure, moistening the lungs, clearing phlegm effect. Chrysanthemum coronarium has a special flavor, seedlings or young stems and leaves for raw fried, cold, do soup edible. Europe will Chrysanthemum as flower bed flowers. Chrysanthemum coronarium is a shallow rooted vegetable, the root system is distributed in the soil green layer. Stem round, green, have artemisia flavor. Leaves are oblong, sinusoidal or y lobed, with thick leaf flesh. Heads, flowers yellow, achenes, brown. The seeds used in cultivation, called achenes in botany, are angular, with an average weight of 1.85 grams per thousand grains. Chrysanthemum nature like cool, do not tolerate high temperature, the growth of the appropriate temperature of about 20 ℃, 12 ℃ below the slow growth, 29 ℃ above the growth of poor. Chrysanthemum on the light requirements are not strict, generally to the weaker light is good. Is a long sunshine vegetables, in the long sunshine conditions, nutrient growth can not be fully developed, and soon into the reproductive growth and flowering and seed. Therefore, it is appropriate to arrange in the cultivation of shorter sunshine in the spring and fall seasons. Fertilizer and water conditions are not strict, but not waterlogged is good. The varieties of Chrysanthemum coronarium according to the size of the leaves, divided into leaf Chrysanthemum coronarium and leaflet Chrysanthemum coronarium two categories.