What's unusual or unexpected about leaves turning red?

Fluctuations in the soil and air around plants upset nutrients and cause red pigments. Cool spring air and cold soil often produces red and purple foliage tints. In summer, extremes of high heat followed by cooler temperatures cause nutrient imbalances.

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So far there's nothing unusual or unexpected in red leaves since it's natural. Leaves merely turn to red when the subject is stressed. Most often from too-cool temperatures, but sometimes by improper irrigation, low nutrients or acidic soil. Red leaves are known to be seen during spring or fall.

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post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and colour.

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