The role of (1) in landscaping: flowers are important materials for landscaping, beautification and fragrance; Colorful flowers, stems and leaves can beautify the environment, and most flowers can give off fragrance when they are in full bloom, not to mention the role of flowers in soil and water conservation; (2) Function in cultural life: interior decoration, decorating living environment and enriching daily life; The decoration of flowers can beautify the space of life, work or assembly, and the gift of flowers can convey feelings; (3) Function in economic production: It can provide various economic products.

Common flower cultivation management 1, what are the characteristics of dill? Dill, also known as feather dill, hairy dill, Youlong grass, dill pine, Jinping seal, etc. , commonly known as five-pointed star flower and lion grass, is an annual herbaceous flower of convolvulaceae. Dill, with alternate leaves, leaves are slender as silk, flowers are born from the axils of leaves, pedicels are about inches long, and there are several five-star florets. Except red, the other colors are bright red and white. The flowering period is from early July to late September, with a batch of flowers blooming every day and withering in the morning and afternoon. Dill's creeping stems are sparse and smooth, and the length can reach 4-5 meters. They are soft and climbing, so they are ideal hedge plants. Also belonging to the same family as dill are dill with round leaves and dill with Acer leaves. Dill, round leaves, oval leaves, sharp, purple corolla, yellow throat, many and colorful flowers. Acer dill, feather dill and round dill, with palmately divided leaves, lanceolate lobes and sharp tips. The total pedicel is thick, with 1-3 flowers, deep red in color, and the flowers are twice as big as the feather dill. 2. How is dill cultivated, managed and propagated? Dill is native to Mexico and Indonesia, and likes sunny and warm environment, not cold-resistant, not strict with soil requirements, strong resistance and extensive management. But it grows best in well-drained and fertile sandy soil. Pot dill, put a small amount of hoof pieces at the bottom of the pot as base fertilizer, then apply liquid fertilizer once a month, and keep the pot soil moist at all times. When potted, a bracket should be erected for winding. Dill breeds with seeds. Seeds can be harvested in early October of 165438+1October every year, sown in April of the following year, and germinated after one week. When the seedlings grow 3-4 leaves, they can be planted. When the seedlings are too big, it is not easy to survive. When dill matures, the seeds will naturally divide and reproduce. Dill has strong vitality and good adaptability, and generally has no pests and diseases. Dill can be used as medicine, which has the effect of clearing away heat and reducing swelling, and can be used to treat ear furuncle, hemorrhoids and fistula. 3. How to cultivate snapdragon? Snapdragon, also known as bibcock flower, is a perennial herb of Scrophulariaceae, but it is often cultivated as a 1-2-year-old flower. Due to different varieties, it can be divided into large flower type, high stem type, medium stem type and dwarf type. Colorful, very beautiful, long flowering period, suitable for planting and arranging flower beds, but also suitable for potted viewing; Among them, varieties with big flowers and high stems are also excellent materials for cut flowers. The origin of snapdragon is the sea, which is cold-resistant, heat-resistant, sunny and semi-cloudy. It is suitable for loose and fertile soil with good drainage and can grow normally in calcareous soil. Whether potted or planted in the ground, apply some pigs, chickens and manure as base fertilizer. The propagation of snapdragon is mainly through sowing. Sow in August-65438+10. Pot sowing, under the condition of 15 degrees, seeds germinate in about 10 days. Pay attention to thinning seedlings after emergence. When the seedlings grow 4-5 true leaves, they should be transplanted once. When the seedling height is about 10 cm, it can be planted. Snapdragon is a flower that likes fertilizer. Because of its slow growth period and long flowering period, it requires high soil fertility. Potted plants should be cultivated with humus, sand and plant ash.