Breeding method of rudbeckia and flower introduction of rudbeckia |

There are many kinds of chrysanthemums, we are more common is the large white chrysanthemums, etc., and the black heart chrysanthemum may not be very familiar with many friends, the full name of the black heart chrysanthemum is called black heart rudbeckia, it belongs to the asteraceae, rudbeckia Genus, a biennial herbaceous plant, surrounded by petal florets, golden yellow, and flowering from early summer to frost. What is the black heart chrysanthemum? If we want to grow rudbeckia, how should we plant it? Let's ask Xiaobian to answer them one by one.


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The growth habit of rudbeckia


The adaptability of the open field is very strong, it is also more resistant to cold, and it is resistant to drought. It is not easy to cultivate because it does not choose the soil. It should be planted with well-drained sandy loam and sunny environment because it likes the sun. Ventilation environment. It is adaptable, cold-resistant, drought-tolerant, and welcoming to the environment. Generally, the soil can be cultivated, and the flowering period is from May to September.


Black heart chrysanthemum culture method


Temperature, light: rudbeckia It is like a warm and sunny environment, the air circulation environment is the most suitable for its growth, the temperature of the best growth period of the plant is between 20-25 degrees, and The daytime can't exceed 26 degrees, and the nighttime temperature should be above 10-15 degrees. At a suitable temperature, the plant can continue to grow without sleeping, and in the winter it should be enhanced due to insufficient light. When it is illuminated, it is shaded by the light that is too strong in the summer, and it is cooled by the shade to prevent it from sleeping due to excessive temperature.


黑心菊的养殖方法和黑心菊的花语介绍|黑心菊图片1


Water and fertilizer management: The newly planted seedlings should be properly controlled for water, and after the seedling period, it should be adequately supplied with water to promote its growth. In its flowering period, water should not be allowed to make the center of its leaves. Dip the water to avoid causing the buds of the flower buds. The large leaves of the rudbeckia are also very easy to consume nutrients during the growth period. At this time, it is necessary to supplement the topdressing in time, especially during its flowering period.


The best harvesting period is the vertical outer edge of the flower head and the flower stem. The method is to pull the hand from the base of the flower stem and the leaf cluster to the side by hand, put it in clear water, and bag to facilitate transportation.


Spring, summer and autumn temperatures can be sown at 21 ° C - 30 ° C, and the soil is well drained. Sprouted in about 15 days. Fertile loam, sunshine is sufficient, and half-day sunshine can grow normally. 8 leaf transplants, appropriate fertilization after survival, watering, flowering period, summer should be appropriate shade, in order to maintain a beautiful flower. Cutting off the leaves after flowering can promote regeneration. Take care to prevent poor drainage and root rot.


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What is the flower language of rudbeckia?


The rudbeckia is a one-and-two-year-old herb of the genus Compositae, and the plant can often be as high as 60-100 cm. It manages extensively, can be planted in pieces, used for road greening, flower bed flowering, grassland planting, of course, it can also be used for cut flowers, flowers and leaves, and beautiful colors, which greatly enhances its appearance appeal. The black heart chrysanthemum has a long period of time and has won awards in Europe. Its excellent characteristics have been recognized. The bright color of the rudbeckia, like the sunflower, is sunny all the time, representing the embodiment of justice and goodness, so there is a beautiful flower language of fairness and justice.


黑心菊的养殖方法和黑心菊的花语介绍|黑心菊图片5

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