The answer to 'why is my flower bed disease' is that there are several common causes of flower bed diseases, including fungal infections, bacterial infections, and insect infestations. Symptoms can include discolored, wilting, or dying plants, spots or lesions on leaves and stems, and overall poor plant health.
Some common solutions include properly preparing and amending the soil, using disease-resistant plant varieties, practicing good sanitation by removing infected plant material, and applying targeted fungicides or insecticides. However, it's important to correctly identify the specific issue before treating, as the wrong approach can make the problem worse. If the issue persists or you're unsure of the cause, it's best to consult a professional landscaper or horticulturist for guidance.