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Hibiscus leaves turn yellow because of pest infestations, diseases and environmental changes such as too little fertilizer or insufficient water. In some cases, yellowing leaves are a perfectly natural response to coolin... More »

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Hibiscus plants need to be pruned back approximately one third of the way down each branch, notes Hidden Valley Hibiscus. Pruning cuts should be made at 45-degree angles directly above nodes, which are the locations wher... More »

Drinking hibiscus tea over a period of 2 to 6 weeks may help lower blood pressure in patients with elevated blood pressure. Other benefits may include lowered cholesterol and treatment of irritated stomach. However, ther... More »

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According to Hidden Valley Hibiscus, the braided hibiscus tree is a tropical plant that requires temperatures of 60 to 90 degrees Fahrenheit to bloom. Providing the tree with proper temperatures and the right amount of w... More »

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Hibiscus trees prefer full sun, warm temperatures and moist soil. For optimum growth, water the hibiscus daily and apply fertilizer at least once a month during growing season. More »

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Birch tree leaves often turn yellow because of chlorosis, which occurs for several reasons. According to the University of Illinois, chlorosis occurs because of an iron deficiency, poor drainage, damaged roots, high soil... More »

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The best way to identify a tree by its leaves, which are either coniferous or deciduous. Conifers keep their leaves all year, while deciduous trees shed their leaves, usually during winter. Look at details of the leaf, s... More »

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