1. HOYA CARNOSA
This species' flowers are light pink and grow in spherical cluster formations. Its eaves are dark green, glossy, and oval-shaped.
2. HOYA KERII
The so-called Sweetheart, or Valentine, Hoya grows green, heart-shaped leaves that are thick and fleshy.
3. HOYA OBOVATA
This trailing hoya species begins its life leaf-less, then grows thick, round leaves. With enough light, the obovata can produce clusters of light pink flowers year-round.
4. HOYA BELLA
This shrub-like plant grows short, spear-like leaves. In the summer, the hoya bella may produce white/pink star-shaped flowers.
(Image via Tropical Roots Plant Co)
5. HOYA PUBICALYX
This hoya grows a rather unruly vine of green, glossy oval leaves. It is ideal for either hanging baskets or climbing on trellises.
(Image via Tropical Roots Plant Co)
(Image via Fridays Foliage)