What are the reasons for the yellowing of Chinese roses in early autumn?
Let's talk about the reasons for the yellowing of Chinese roses in early autumn, and the introduction of green plants and flowers. Next, let's get to know more together.
Early autumn is the time when Chinese roses are about to resume rapid growth, and it is also the peak period for black stems and wilting. Therefore, proper management of Chinese roses in early autumn is essential; otherwise, while others enjoy the flowers, you will only have a pot.
Common reasons and countermeasures for black stems and wilting in early autumn Chinese roses
Many flower enthusiasts' Chinese roses survive the hot summer but die in early autumn. The main reason is the issue of management, as there is no adjustment of management methods according to the seasonal changes. The problems mainly appear in the following aspects.
1. -- Root rot caused by excessive watering --
As the high temperature eases after entering autumn, the drying and wetting cycle speed of the potting soil for Chinese roses in different conditions changes significantly compared to the summer. If watering is not adjusted in time according to the moisture of the potting soil and is still done as in the summer, it is easy to cause excessive watering, resulting in waterlogging in the potting soil. This leads to poor root respiration in Chinese roses, and over time, root rot and black stems, and wilting of the whole plant can occur.
When watering Chinese roses in early autumn, it is essential to adjust the watering frequency and amount based on various factors. For example, during consecutive sunny days, wellbranched Chinese roses can be watered more, while less watering is needed during rainy days, and water control should be exercised when the rose seedlings are not in good condition.
For Chinese roses planted in nutrient soil, to accurately determine whether watering is needed, we can use the method of lifting the pot. If the pot feels light, it is time to water. If it still feels heavy, even if the surface soil is dry, there is no need to water.
2. -- Wilting caused by "laziness" in watering --
In addition to excessive watering, "laziness" in watering is also one of the main reasons for the wilting of Chinese roses in early autumn. Because the weather doesn't feel as hot, and it is often cloudy, it may seem that watering is not necessary. However, healthy rose seedlings can easily suffer from drought due to our "lazy" thoughts. If not detected in time, severe water deficiency can lead to the entire plant wilting.
What are the reasons for the yellowing of Chinese roses in early autumn?
3. -- Root rot caused by using unsuitable pots --
For新手 flower enthusiasts, when choosing pots, they often pay attention only to appearance and select ceramic pots with poor breathability. However, in reality, it is difficult to grow Chinese roses well in such ceramic pots. Green plant enthusiasts net still recommends that you choose breathable pots, such as root control pots, especially when growing flowers on a balcony, it is more important to pay attention to the breathability of the pot.
In addition to ceramic pots with high appearance value, many新手 flower enthusiasts also choose lazy pots for easy management. However, if the water level in lazy pots is too high, it can also cause root suffocation, leading to black stems and wilting. When using lazy pots, the water level should be below the planting basket.
4. -- Wilting caused by excessive pruning --
After entering autumn, many flower enthusiasts rush to see autumn flowers and choose to prune. However, the temperature is still relatively high at the beginning of autumn, with places like Jiangsu, Zhejiang, and Shanghai continuing at around 35 degrees. If pruning is excessive at this time, Chinese roses will lose many leaves or be pruned into bare stems, which will reduce their vitality.
After pruning, if watering and fertilizing are not controlled properly, it is very easy to cause root suffocation and rot, leading to the wilting of the whole plant. For autumn pruning of Chinese roses, Green plant enthusiasts net recommends light pruning to avoid excessive pruning that could cause wilting.