What are cannabis leaves can tell you?
The color, texture, and appearance of cannabis leaves can tell growers a lot about the health of a cannabis plant. Experienced growers carefully monitor cannabis plant leaves to determine what a plant needs. The appearance of leaves can tell us whether a plant has issues with fungus, pests, and nutrient deficiencies .
Why do cannabis leaves turn black?
Hot air, especially sudden rises in temperature, can leach all the moisture out of your plants and cause blackened leaves. At first, you will see the leaves and stems brown and shrivel. Continued rapid moisture loss will then cause the leaves to go black.
What is causing the little white spots on my plants?
White spots that are actually the tiny bodies of bugs are probably in clusters along the stems and leaf petioles of the plant, or clinging to the undersides of the leaves. White spots caused by fungi will be located on the top of the leaves.
Why do marijuana plant leaves turn purple?
Some strains of marijuana turn purple due to a high content of pigments called anthocyanins in their leaves. Anthocyanins are naturally occurring, water-soluble pigments found in many plants. They are the color pigments that make blueberries blue, blackberries black, and red grapes red.
What causes yellowing leaves?
Yellow leaves are also the result of lack of water or scorching from sun and wind exposure. Pests and diseases such as mites, aphids, root rot and wilt diseases are also responsible for yellowing leaves.
Do yellow leaves mean too much water?
Too Much Water. Yellow leaves on a zucchini plant can be a sign of many problems, including too much water. Typically, leaves yellow as a result of wet soil following heavy rains when temperatures are cool or cold, the University of Minnesota Extension reports.
What causes yellow spots on pot plants?
Sometimes called “yellow leaf spot” or “leaf septoria,” this condition is caused by a fungus (or sometimes a bacteria) that attacks cannabis plants and usually appears in warm, wet weather.