#1 Wavy Petunias
Source: Ajishome
The wave petunia is a plant that offers a unique and attractive look that spreads downward and outward. Its flowers will bloom without much effort.
#2 ivy geraniums
Source: Gardenerspath
Ivy Geraniums have much smaller flowers. When ripe, it will spill over the edge of the container. It can survive in shorter periods of intense heat and even drought conditions.
#3 Bacopa
Source: health line
Bacopa displays tiny mauve, pink or white flowers and pendulous stems. It grows well in both light shade and sun.
#4 Verbena
Source: Growjoy
Verbena is a perennial plant that produces impressive flowers from the first year of planting. It is an incredibly heat tolerant plant if you keep it well watered.
See also
#5 Convolvulus Sabatius
Source: Waterwisegardensjeanmarsh
Convolvulus Sabatius sports lilac-blue trumpet-shaped flowers. It grows happily with plenty of sun.
#6 licorice plant
Source: Gardening Knowledge
The licorice plant has small, felt-like leaves. Its stems will grow and then fall creating a beautiful backdrop and frame for your container.
#7 Golden Creeping Jenny
Source: FrescoPatio
Golden Creeping Jenny is a type of low-growing plant that produces golden-green leaves that cascade from pots. It grows well in shade or sun, and is watered regularly.
#8Zinnia angustifolia
Source: Wikipedia
Zinnia Angustifolia produces large quantities of small flowers but can be heat tolerant. It is resistant to powdery mildew once it starts to leak out of containers.
#9 Scévola
Source: Dutch producers
Scaevola is known as a groundcover that offers small flowers in purple, blue and mauve. It needs full sun, well-drained soil and plenty of water when the weather is dry.
#10 Madagascar Periwinkle
Source: Runtedrun
Madagascar Periwinkle is planted as a flowering ground cover. That’s why many gardeners choose to grow it to trail over the sides of containers.
#11 Nasturtium
Source: Apple seed
Nasturtium produces bright, cheerful, edible flowers, along with a pretty little mound of water-lily-like leaves. Favors cultivation in the coldest seasons.
#12 Black Eyed Susan Vine
Black-Eyed Susan Vine produces a small five-petal flower that comes in white, peach or yellow and will grow in clusters. When it grows, it is time to start overflowing, giving it a cascading appearance that gardeners fall in love with.