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• Alberta, AB
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Vitamins in flowers: Rose hips may contain anywhere from 2,275 to 6,977 mgs. of vitamin C per 100 grams of pulp which is much greater than the 49 mgs of vitamin C per 100 grams of pulp from oranges.

Best soil chemistry for roses: Roses seem to grow best in soil that has a chemical pH of about 6.5.