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4 Reasons Why Your Pot Leaves Are Turning Yellow · High Times

4 Reasons Why Your Pot Leaves Are Turning Yellow.

  • Common incandescent house bulbs are severely insufficient, and fluorescent lights must be kept quite close to plants to be remotely effective.
  • This could mean lowering an existing grow light to the proper level above your plants’ canopy or investing in a stronger lighting unit.
  • pH or potential hydrogen is the measurement on a scale of 1-14 of the acidity or alkalinity of a soil mix or nutrient solution, with 7 being neutral.
  • The Fix: Use a pH meter to measure the level of acidity or alkalinity of your soil and nutrient solution.
  • If all other factors are in balance—light, water and pH—then the most likely culprit is a lack of food for your plants.

Here are four reasons your weed leaves are yellowing—and the solutions to deal with them properly for a heavier harvest.

There are several different reasons why your pot leaves are turning yellow. A variety of factors cause chlorosis, the technical name for a reduction of chlorophyll that results in yellow leaves. This isn’t a definitive list; however, it’s always important to properly diagnose an issue before attempting to solve it. So here are four reasons your weed leaves are yellowing—and how to deal with them properly for a heavier harvest.

During photosynthesis, leaves take in light and carbon dioxide (CO2) and convert it into plant energy. Without enough light, leaves will begin to yellow and eventually slow growth to a standstill. Common incandescent house bulbs are severely insufficient, and fluorescent lights must be kept quite close to plants to be remotely effective.

The Fix: Increase the amount of light the plant is getting. This could mean lowering an existing grow light to the proper level above your plants’ canopy or investing in a stronger lighting unit. I highly recommend using HID (High Intensity Discharge) lighting, such as MH (Metal Halide) or HPS (High-Pressure Sodium) lighting for growing pot plants indoors. LED (Light Emitting Diodes) and Compact Fluorescents are a decent, if not perfect, alternative if heat or power usage is an issue.

Marijuana plants like a wet-dry cycle for their roots. Over- and under-watered plants will droop and soon show the telltale signs of chlorosis.

The Fix: Stop watering over-watered…

4 Reasons Why Your Pot Leaves Are Turning Yellow · High Times

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