Question by Cannon Ball: What soil mix do I use to grow cucumbers and tomatoes in pots on my patio? Specifically I am looking for a soil mix I can buy from Wal-mart or other supplier that is the best for growing tomatoes and cucumbers in large 16 inch pots. I have been told not to use regular garden soil or much top soil. I plan to grow the cucumbers on a vertical frame. Your advice is much appreciated. Best answer: Answer by John 16Tomatoes are not very fussy. I would think the best thing… Read Article →