Two species of beech, American beech Fagus grandifolia and European.
What Turns Leaves Yellow? Trees with Yellow Leaves: Tulip Tree (Liriodendron chinensis). One of the most well-known trees with yellow leaves is Red Maple (Acer rubrum). Although red maple trees are thought to only have vibrant red colors in the fall.
Both over and under-watering can cause leaves to curl, yellow, and drop.
A shortage of nutrients can cause leaves to not develop properly. In this case, leaves will gradually yellow and fall off.
Like most plants, the main nutrients that apple trees need are nitrogen, phosphorus, and potassium (NPK). However, the primary nutrient that causes leaves to yellow is a lack of nitrogen.