With its delicate, violet flowers and rich vanilla scent heliotrope is a favorite among gardeners.

It’s hardy enough to grow inside as long you provide plenty of sunlight and humidity for the plant but can otherwise thrive in USDA zones 8 through 11 with proper care.

There will always be more blossoms on your indoor hydrangeas than those growing outdoors- deadhead spent blooms when they appear so that others may enjoy their presence indoors!

13. ANGEL’S TRUMPET (BRUGMANSIA X CANDIDA)

The angelic fragrance of Angel Trumpet will fill an entire room, infusing the air with its sweet smell.

14. FRANGIPANI (PLUMERIA SPP)

The fragrant aroma of frangipani blooms is one that cannot be matched.

The five-petal flowers are available in a variety of colors including white, yellow and pink hues with red being the most common among them all to make up for their great scent which can fill your home or office at night time!

To keep these plants alive you need bright sunlight (at least 4 hours per day) as well as plenty on amount water – about 2 inches deep daily if it’s plant grown indoors and between watering outdoors depending where its located outside).

15. BLUE PASSIONFLOWER (PASSIFLORA CAERULEA)

A show-stopping blue passionflower offers a mesmerizing display of colorful sepals, petals and filaments.

Beyond its complex appearance it also emits minty fruity aroma that will have you coming back for more!

This vine needs some cage or hoop support so as not to get messy on your carpet. It prefers spacious pots with well established roots in order to thrive.

Make sure about watering them enough because they love high humidity levels (70%+) along with household temperature ranges from 60-75 degrees Fahrenheit during hot summer months when direct sunlight strikes their leaves hardest.