Small Mix Tulips Bouquet25 mix tulips colors can be different from the pictures based on availability. Unlike most cut flowers, tulips keep growing in the vase, sometimes up to 6 inches or more! We have freshest tulips for you. Colors can be different from the picture. To keep them fresh for longer, check the water level every day and change the water every other day. Trim the stems again, removing one inch with a sharp knife at a 45 degree angle, then place back in a vase