How would you describe whether or not the plant be experiencing stress from too illustrious a fertilizer concentration? ...
Answers: Usually with nitrogen excess, the leaves curl up approaching tacos. Excessive purple color may be a sign too, but I forget if it is phosphorus or potassium that causes this.
Those are the ones I usally make out first. Here is a link next to more info on excess fertilization.
It will die....burn it up pretty much, just resembling a lack of hose down...the tips of the plant will start turning brown. Too much of anything or too little will cause problems.