For gorgeous containers, use the Thriller/Spiller/Filler method. Choose a taller plant as your thriller, a filler to add around the base and a trailing plant to spill or cascade down the sides. More container garden tips @ themicrogardener.
The owner of this California home renovated her gardens with help from Oakland landscape designer Tod Rimrodt, who cleaned up the overgrown perennial beds and refreshed gravel paths that connect the landscape's many nooks and crannies.
Heliotrope and creeping jenny in pot. Haven't tried these together, but use creeping jenny in my pots and window boxes every year. My favorite color combination for my gardens is deep purple, vibrant pink and bright yellow.