Firstly, water stress is highlighted as a prominent cause. Hydrangeas require a considerable amount of water to maintain their health. Inadequate watering or prolonged periods of drought can cause the flowers to dehydrate and turn brown prematurely. Specialists recommend maintaining a constant and adequate watering, especially during the hottest times of the year.
Another significant cause is excess sunlight. Although hydrangeas need a good amount of sunlight, too much direct exposure can burn the flowers, causing them to turn brown. Experts suggest placing these plants in locations where they receive indirect or partial sunlight, to avoid damage from excessive solar radiation.
The soil pH also plays a crucial role in the coloration of hydrangea flowers. Soil that is too acidic or alkaline can negatively affect the absorption of essential nutrients, causing discoloration in the flowers. The recommendation from specialists is to perform periodic soil pH tests and adjust it as necessary to maintain an optimal level of nutrients.
Pest and disease attacks are another factor that could be contributing to the problem. Insects like mites and diseases like powdery mildew can cause significant damage to hydrangeas, resulting in flowers that turn brown and wilt. The use of appropriate insecticides and fungicides can help control these threats and protect the health of the plants.
Finally, improper pruning can influence the quality of hydrangea flowers. Cutting stems at the wrong time can damage the buds of future flowers, resulting in weak and discolored flower production. Experts recommend learning the correct pruning techniques and carrying out the process in the appropriate seasons to avoid this issue.
In light of this situation, specialists urge gardeners and plant enthusiasts to be vigilant of these factors and take the necessary measures to maintain the health and beauty of hydrangeas. With proper care and a deeper understanding of the specific needs of these plants, it is possible to prevent flowers from turning brown and ensure that they continue to adorn gardens with their vibrant colors.
Referrer: MiMub in Spanish
