
The flowers stay closed during the day and open at dusk, releasing a sweet fragrance. Each plant produces several stems, and keeps bloming throughout the summer as long as spent flower stems are broken off. Usually this is a hassle because of the large number of stems produced in the many plants that grow. The plants do need some support after reaching a certain height. I let them lean on each other and flop over if they want to - giving a cascading natural look.
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