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Rose history in Americas: Around the 16th Century the first cultivated roses were introduced into the Americas.
Blue color from flowers:To make blue dye the Native Americans on the West Coast used the Delphinium flower. Poinsettias are not poisonous: Scientific research from The Ohio State University has proved the poinsettia to be non-toxic to both humans and pets. All parts of the plants were tested, including the leaves and sap.
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