It's hard to be a robins egg .   

The annual sweet-potato vine.  The "go-to" for spillers in flower pots.

And rightly so, as they are beautiful and showy .  

But -- you might consider the trailing coleus - very vigorous  and lots of summer color with little to no pests. 

Candymint 

OR how about mint?  Trails nicely , attracts butterflies and bees.

Planting in a pot keeps mint from spreading all over the garden and

you can make great summer iced-teas.

Orange mint.

ORANGE MINT TEA (gallon)

4 regular tea bags steeped in 2 cups hot water until water is room temp.

1 large orange - washed and cut into quarters 

1 bunch orange mint (hand full of stems w/leaves)

Remove tea bags , pour concentrated tea into gallon container

add orange, slightly squeezing first 

slightly bruise mint and add to tea mixture

top off gallon with water

let sit for hour before drinking

pour over ice 

This tea is high in antioxidants, vitamin C, potassium and flavor 

Be sure to pick the freshest part of the mint without blemishes.