Under watering

Symptoms:

Leaf Colour:
Edges Appear Brown or Burnt
Pale Colour Leaves
Yellow Leaves - New Growth
Yellow Leaves - Lower, older leaves
Yellowing Between Veins
Brown or Dark Spots

Leaf Symptoms:
Upper Leaves / Newer Growth Affected
Lower Leaves / Older Growth Affected
Leaf Edges Appear Burnt
Leaf Tips Appear Burnt
Leaf Tips Die
Abnormal Growth
Leaves Curl Under
Wilting / Drooping

Plant Symptoms:
Leaves Curl Under
Leaves Curl Upwards
Plant Wilting / Drooping

Problem: If your plant is drooping, then it's usually a sign of either over or under-watering.

Cannabis Under-watering Symptoms

drooping (plants often get better after being watered)

leaves often seem "papery" and thin because they don't have any water inside them. (This is opposed to overwatering where the leaves often feel bloated and "fat" from all the water contained inside)
chronic under-watering eventually leads to yellowing leaves and nutrient deficiencies

If your soil or soil-less medium looks bone dry every time you water, or if you know that your roots have dried out, than skip right down the the solution section, as you definitely have a case of under-watering.

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