Leave it tied as it will keep it shape and style. Change your water every day, with slightly cold water (15 degrees) for a good hydration.  Avoid full sun and keep the room temperature slightly cooler around 20 degrees Celcius.

Most of them come from tropical areas and prefer a sunny and warm room temperature (24 degrees Celcius). Keep them away from heaters in winter because the air is too dry. Watering should be done once a week, if the soil is dry or the pot is light weight when you lift it. Make sure [...]

Most of the them, with some exceptions, need a good amount of sun. It's not a question of intensity but rather of being exposed for a sufficient time period, to produce great flowers. A south  east orientation is usually the best for an optimal blooming. Water them once a week minimum, but in summer, if [...]

Add water to the container if needed to keep the floral foam moist. Avoid full sun and keep the room temperature slightly cooler around 20 degrees Celsius.