Rosemary is a popular houseplant to keep indoors, as it's relatively easy to keep alive as long as you follow some key care ...

A thriving potted gardenia plant sits on a porch. - Rukman Limbu/Shutterstock We may receive a commission on purchases made from links. Gardenias are extremely popular, yet notoriously hard to grow.

Ok, you’ve gotten lucky so far. Despite a few evenings threatening a light frost, you've skated by with your potted tropical plants out on the porch. Maybe you slid them in the garage or tucked them ...