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Jan 11, 2017 10:04 AM CST
How is it that tulips can still grow after being cut? Does it have anything to do with its stem? What differentiates it from the other plants that allows it to continue growing up to an inch per day even though they're already cut?
New South Wales, Australia (Zone 9b)
Bee Lover Region: Australia Cactus and Succulents Ponds
Jan 16, 2017 2:14 AM CST
Hi Soraya!
Tulip stems continue to lengthen after being cut due to the cells in their stems being particularly responsive to the plant hormone 'auxin' which causes them to elongate. This hormone is also responsible for the tendency of plants to grow toward light. Once these flowers are cut, it is common for them to continue to reach for the brightest spot in the room, elongating it from above the topmost leaf.

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