Cucumber plants need at least 6 hours of direct light daily to grow; they can become stunted and pale in low-light gardens. However, too much bright sun can cause blanched leaves and sunscald, ...

Mature Plant. The leaves on a potato plant will turn yellow or brown as the plant reaches maturity. Potatoes average 100 to ...

Yellow leaves can also indicate several other nutrient deficiencies too.  If leaves are yellowing near the middle or bottom, this is likely a Nitrogen deficiency.  Calcium and manganese deficiencies ...

Australia's demand for cheap clothing, cars leaves huge polluters China, India off the hook in emissions targets as they speed ahead in coal power plant production.

Learn what causes sticky plant leaves, ... These leaves may have yellow or brown tips or edges or show other signs of pest damage, like curling leaves or tiny holes from the sucking insects.