Richard

I generally don't feed a plant until after it has recovered from the shock (if any) of transplanting. During warmer weather (above 65 F), any signs of shock will have shown up within a week. However, I'm usually dealing with finicky plants. Now something like tomatos ... I'm likely to transplant them one day and the next hit them hard with high Nitrogen and Potash fertilizer.

I've never heard of using extra phosphorus when transplanting, or any discussion one way or another. Some people use root hormones. It seems to me that if the plant is healthy and the transplant process is not traumatic, then there is no need for chemical warfare.

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