Squash turning yellow - Knowledgebase Question

McKinney, Te
Question by billhise
April 29, 2010
I am gardening in 22 inch containers with 100% Scotts all purpose potting soil. My Zucchini plants have turned yellow. My yellow crook neck plants are doing fine. Do have any solutions for me?

Answer from NGA
April 29, 2010


Overwatering, a need for fertilizer, or overheated roots can cause the yellowing foliage. Plants in containers can actually bake the roots of plants if they are in direct afternoon sunshine. Try moving the zucchini pots so they are shaded by the others. Allow the top of the soil to dry out between waterings and try feeding with a half strength dilution of water soluable fertilizer. Hope this helps!

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