Not every high elevation has the same merits. The southern Alps enjoy many more hours of sunshine than the northern range. For this reason plants do much better in the more southern areas than in the northern regions. In some of the latter areas they have only stunted growth before dying. Naturally, medicinal plants are also affected by these regional and climatic differences. For example, Solidago that has been grown in the higher Engadine has a better and stronger effect on the kidneys than that grown in the lower region of Teufen and, interestingly, that grown in Teufen is still better than any grown in the districts below an altitude of 500 m (1,500 feet).
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