Black spots, white spidery insects and white spots/dry leaves It has been growing fast and flowering in the evenings but I am concerned the pests might become an issue later
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The plant in the image appears to be a Hibiscus rosa-sinensis, which is a species of flowering shrub that is commonly grown for its attractive flowers. The plant appears to be healthy and well-maintained, but there are a few issues that could affect its growth and health: 1. Watering: It's important to provide enough water to the plant, as it is a tropical species that requires consistent moisture. Ensure the soil is well-draining and kept consistently moist, especially during the dry season. 2. Fertilization: A balanced fertilizer can help promote healthy growth and improve the plant's overall health. Use a slow-release fertilizer with a ratio of 10-10-10 (nitrogen-phosphorus-potassium) and apply it during the growing season. 3. Pruning: Regular pruning can help to control the size of the plant and promote bushy growth. Cut out any dead or damaged branches and thin out the centre of the plant to encourage more growth. 4. Pest control: Check the plant for any signs of pests or diseases, such as scale, mealybugs or spider mites, and treat them immediately if found. 5. Soil improvement: Adding organic matter, such as compost or
Try captain jack’s bt. It’s organic and may help with your pest issues. Good luck~!
Try neem oil the lil white bugs will spread & destroy your plant fast. They annihilated one of my cucumbers in three days. Spray very thoroughly with neem oil 
Put pepper on the soil to stop pests from getting on the plant