Which city flower is Clivia?
As the green business card of Changchun City, Clivia has become a symbol of northern urban garden culture with its elegant flower appearance and tenacity. This tropical ornamental plant not only carries the memory of the city, but also attracts countless gardening enthusiasts with its unique biological characteristics. Clivia and Changchun City Origin: The establishment of city flowers In 1984, the Eighth Standing Committee of the National People's Congress of Changchun City officially established Clivia as a city flower. This green (S-Q) relationship dates back to 1932. Initially introduced as a royal flower, it gradually adapted to the northern climate after decades of domestication, and finally entered thousands of households in the 1980s. Cultural symbol connotation The popularization of Clivia in Changchun witnesses the development of the city. Its upright leaves symbolize resolute character, and the orange-red flowers symbolize good fortune and wealth, becoming an important carrier of citizens 'spiritual culture. Analysis of botanical characteristics, unique morphological structure, fleshy root system can reach 2 centimeters in diameter, and milky white root groups form an efficient water storage system. The two rows of stacked leaves show a perfect geometric arrangement. The thickness of each leaf reaches 0.5-1 cm, and the reflectivity of the waxy surface reaches 30%, effectively reducing water evaporation. The ecological adaptive light compensation point is about 800lx, and the suitable light intensity is 3000-5000lx. The temperature tolerance range is 5-35℃, and the net photosynthetic rate reaches its peak at 18-28℃. The temperature difference between day and night of 8-10℃ can significantly promote flower bud differentiation. The substrate ratio plan of the scientific cultivation system recommends that the ratio of humus soil: pine needles: river sand is 5:3:2, and the EC value is controlled at 0.8-1.2mS/cm. Substrate renewal is carried out every spring to ensure that the porosity is between 40% and 50%. The water and fertilizer management cycle adopts alternating dry and wet irrigation, 3-5 days per time in summer and 7-10 days per time in winter. The N-P-K ratio is 3-1-2 during the growth period, adjusted to 1-2-3 during the flowering period, and supplemented with iron chelate monthly.
In which city is Clivia? The ornamental value of the city's flower has been improved? Through targeted cultivation, more than 20 horticultural varieties have been developed. The leaf length of "Da Shengli" can reach 60cm, and the leaf oil brightness of the "Greaser" variety has been increased by 40%. The height of the flower arrow exceeds 45cm, and the maximum number of flowers per plant reaches 35.
This plant, which has both ornamental value and ecological benefits, is glowing with new vitality in the modern urban environment. Mastering its growth laws and carrying out scientific maintenance can not only beautify the living environment, but also inherit the city's cultural memory.