These plants will send up new flowers after a month or two of dormancy in cool and dark conditions. Outside they'll naturally go dormant when the days start to get cooler. Gardeners can cut back ...

This week, Sullivan shared his expertise on how to take care of your plants. Watch Sullivan's full segment in the video player above, and click here for more of his home and garden tips.

Summer is an ideal time of year to show of arrangements of freshly cut flowers, but it can also be hard to take care of them ...