It's only 23” inches wide and 16" deep, so I guess that would be too many! I'm still pretty new to garden, so I'm still learning!Squash have a shallow root system which means their roots grow outward more than downward. What is the diameter of the tub? Also squash are big plants. I have a 20 gallon tub with a 26 inch diameter and only 1 plant will fit comfortably. I might could squeeze in one more but I am afraid that their root systems would hinder each others nutrition uptake.
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