The original name of Corydalis Africana is Saintpaulia ionantha wendl, a perennial herb of Gesneriaceae. Native to the tropical region of East Africa, the plant is small, the flower color is gorgeous, flowering all the year round, it is very suitable for indoor cultivation of potted flowers. So, how does African Viola grow? Now I will explain the cultivation techniques of Corydalis Africana for you. Let's have a look!
Cultivation techniques of Corydalis Africana growth habits of Corydalis Africana: Corydalis Africana likes warm, humid and semi shady environment. It is afraid of strong light and high temperature in summer. Flowering period: it can open in spring and autumn, and it will blossom in winter if there is enough light.
Common cultivated varieties: big flower, single petal, semi double petal, double petal, variegated leaf, etc. the flower colors are purple, white, blue, pink and double color, etc. The most cultivated variety is snow prince.
The following are the specific cultivation points of Viola Africana
1. Temperature requirements: the optimum growth temperature is 16-24 ℃, 18-24 ℃ from April to October, and 12-16 ℃ from October to next April. The daytime temperature should not exceed 30 ℃. The high temperature is not good for the growth of Corydalis Africana. If the outdoor temperature exceeds 30 ℃ in summer, water should be sprayed in time to cool it.
2. Light requirements: Corydalis Africana needs shade in summer, and its leaves are green; In winter, there is enough sunshine to keep blooming; The growth and flowering of Corydalis Africana are very favorable to the rain and snow days with auxiliary light. If the light is not enough, the flowers will be less and pale, even long leaves will not bloom; If the light is too strong, it will cause yellowing and withering of leaves, so it can be maintained in the place with bright light and no direct sunlight.
3. Humidity requirements: in the cultivation process, should maintain a higher air humidity, appropriate watering, do not make too wet, so as to avoid stem and leaf rot. The difference between water temperature and air temperature should be less than 5 ℃, otherwise, a large number of yellow spots will appear on the leaf surface.
4. Fertilization: in the growth period of Corydalis Africana, apply the decomposed thin liquid fertilizer or compound fertilizer every 7 to 10 days. The nitrogen content in the fertilizer should not be too much, otherwise the leaves will grow very luxuriant and the flowers will be few.
5. Summer management: maintain in a cool and ventilated place in summer to avoid hot and humid environment and sun exposure. Usually, it is not suitable to water too much, but to wait until the basin soil is slightly dry. The accumulation of water in the basin soil is often the main cause of plant decay.
6. Winter Management: the ambient temperature in winter shall not be lower than 10 ℃, otherwise it is easy to be damaged by freezing. The relative humidity of 40% - 70% is more suitable, the basin soil is too wet, easy to rot roots. The air is dry and the leaves lack luster. It is necessary to avoid the sudden rise and fall of temperature in cultivation, otherwise the plant is easy to die.
Cultivation techniques of Viola africana