But if you correct the underlying cause, the yellow leaves will soon be replaced with healthy new green leaves. How often ...

If a few leaves on your lemon tree are yellow but there is still healthy, green, new growth, your tree may just be naturally ...

This "trimmed" top helps distinguish the leaves from those of maples and sycamores. In profile, the leaves of the yellow poplar look like tulips. For this reason, the tree is also known as the ...

The mixture of red, purple, orange and yellow ... tree until growth starts again in the spring. In the South, where the winters are mild, some of the broad-leaved trees are evergreen; that is, the ...

Leaves are the food factories of the tree. Powered by sunlight, the green substance in leaves ... giving rise to both xylem and phloem. Bark textures are relatively uniform by tree species ...

The chlorophyll absorbs red and blue wavelengths of light and reflects the rest, making the leaf appear green ... called xanthopylls, make leaves appear yellow. Some trees make special pigments ...

As the tree does this, the green chlorophyll is removed, which reveals hidden colours in the leaves. The first colours to appear are yellow, then they turn clear too, revealing the gorgeous red ...

Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.