Mexican Sunflower Plants

mexican sunflower leaves sometimes look stressed at night

Zone sunny and dry. San Marcos California | Mariano added on July 17, 2014 | Answered

The leaves look stressed and down when I see them in the morning but later in the day they are nice and green. Is this normal?

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Answered on July 18, 2014

It probably has to do with moisture and the way the plants handle dry environment, shutting down their processes during the hottest part of the day and the night -- that's when they look wilted -- then opening stomata, and moving moisture stored in their roots during the night into the plant tissues when the sun is shining.

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