Why do leaves have a waxy layer?

Answer Leaves have a waxy coating called a cuticle to prevent excess water loss through transpiration. Without this coating they would dry up.

Top Q&A For: Why do leaves have a waxy layer

Why don't houseplants with thick waxy leaves wilt quickly as houseplants with thinner less waxy leaves?

They are more in the tropical family. They hold more liquid because of their genetic makeup.

Trees With Waxy Leaves?

Tree leaves that are coated with a silver-to-white, powdery, waxy substance are known as "glaucous." Glaucous-leaved trees come in a range of heights, textures, forms and colors, from small, multit... Read More »

Are croton leaves waxy?

I have what looks like a layer thick black soot on my gardenia leaves and stalk, can anyone help me?

You have "sooty mold" which is caused from 4 possible sources. The sources are... Aphids, Mealybugs, Scale, and White flies. You need to look real close to the stems and undersides of the leaves to... Read More »