Q.Why Do Squash Leaves Turn Yellow?
Month-old plants looked good for about three weeks. Then, some smaller leaves began to turn yellow. Plenty of water. Are they in need of iron, or a specific fertilizer? Planted in garden soil with minimum cow manure.

Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 16, 2011
Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/vegetables/squash/why-squash-leaves-turn-yellow.htm
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