The colors of flowers in life are colorful. When the yellow flowers bloom, they give people a lively, cheerful and vibrant feeling. Many people also like to watch yellow flowers. Let's find out which ones are.
1. Osmanthus
Osmanthus is an excellent garden tree that integrates greening, beautification and fragrance. It is an excellent garden tree with both ornamental and practical functions. Osmanthus is adapted to subtropical climates. It likes warmth and humidity, and the optimum temperature for growth is 15-28°C. Humidity is extremely important for the growth and development of sweet-scented osmanthus. The average annual humidity is 75%-85%. If it encounters drought, it will affect flowering, and strong sunlight and shade are not good for its growth. Generally, 6-8 hours of light per day is required.
2. Rapeseed
Native to Europe and Central Asia, it is a cruciferous annual herb. Rapeseed has four petals, neatly surrounding the stamen, with a simple personality. The petals are very delicate and have fine lines, which cannot be carved by a skilled sculptor. Rapeseed flowers are rich in pollen. The oil content of the seeds is 35~50%, which can be used for oil extraction or as feed. In addition, the tender stems and leaves of rapeseed can also be eaten as vegetables.
3. Sunflower
Sunflower involucral bracts are multi-layered, leafy, imbricate arrangement, hirsute, bloom in summer, neutral yellow ligulate flowers on the edge of inflorescence, not firm. Sunflower can be planted in all seasons, but mainly in summer and winter. Flowering period of up to two weeks. Sunflowers grow relatively quickly, and the flowering period can last for more than two weeks. The growth of sunflowers is closely related to factors such as temperature, water, light, and soil. The flower language of sunflower is faith, brilliance, arrogance, loyalty, and admiration. The meaning of sunflower is silent love. Sunflower represents the courage to pursue the happiness you want.
4. Lamei
The pedicels of the wax plum are very short, yellow in appearance, waxy and fragrant, blooming from December to March. Wax plum likes sunshine, can tolerate shade, cold, drought, and avoid waterlogging. The wax plum blossoms proudly bloom in frost and snow and cold days. The flowers are yellow like wax and have a strong fragrance. They are the main flowers and trees for viewing in winter. Afraid of wind, relatively cold-resistant, it can safely overwinter at a temperature of not lower than -15°C. It can be cultivated in the open field in the south of Beijing. When the flowering period encounters a low temperature of -10°C, the flowers will be damaged by freezing. It grows well on deep, fertile, loose, and well-drained slightly acidic sandy loam soils, and grows poorly on saline-alkali soils.
