What are the common problems with florist's azaleas?

Florist's azaleas are a very precious flower species in China, listed among China's top ten famous flowers. Garden construction has recently sprung up in our country, and florist's azaleas are truly an indispensable element of it.

Question: Why do red-brown spots appear on florist's azaleas?

Answer: The rise of the florist's azalea trend has made naturally growing azaleas fall short of demand, and at this point people thought of growing azaleas themselves, which could solve the problem of supply falling short of demand. However, when artificially cultivating florist's azaleas, people focused only on how to cultivate more azaleas while neglecting whether the existing environment was suitable for azaleas to survive, and also neglected pest and disease control measures. This led to red-brown spots appearing on many azaleas, which is actually a pest or disease problem.

Question: How can you tell that a pest or disease problem has appeared?

Answer: In fact, the appearance of pests and diseases is reflected on the leaves of florist's azaleas. If you observe carefully, you will find that pests and diseases are most likely to occur on the leaves at the bottom of the florist's azalea, because those leaves are the oldest. The appearance of red-brown spots indicates that the florist's azalea is still in the early stage of the disease. If no measures are taken at this time to save the florist's azalea, the pests and diseases will become increasingly serious. After that, the small red-brown spots will turn into small round spots, and later they will also turn grayish-white, and the leaves will completely fall off, affecting the growth of the florist's azalea and, of course, seriously affecting its ornamental value as well.

Question: When watering, if I add a standard measure of one quarter ferrous sulfate, use a ternary fertilizer once every ten days, and provide diffused light and ventilation, will there be improvement?

Answer: There will be some improvement. Florist's azaleas grow better in a slightly acidic environment, which increases their own immunity. Water is usually neutral, and adding one quarter ferrous sulfate to the water will make the aqueous solution acidic, with a pH between 4-6, which is the most suitable environment for florist's azaleas to grow. Applying ternary fertilizer can promote the growth of florist's azaleas, making their "bones" strong, allowing the leaves to absorb nutrients so that they grow thick and robust, and it can also improve their own immunity and resistance so that they can withstand the occurrence of pests and diseases. Proper ventilation and sunlight can give florist's azaleas a comfortable environment and drive away other bacteria. It is just like when we humans are sick and need to open the windows for ventilation; florist's azaleas also need ventilation and sunlight, which can improve their immunity and keep them out of an environment full of bacteria. Moreover, sunlight can effectively sterilize, and has a very good healing effect on the pests and diseases of florist's azaleas.