I live in Southern California. I would like to insert a little color in my garden under a 50' Deodor cedar. I planted a bougainvillea, it just sits there without color, I planted several red oleanders, they have not grown an inch in 2 hears. The only thing that survives is a bunch of Meyer Asparagus Fern.
The area is fairly open and gets sun most of the day. Plenty of water from my drip system.
Any ideas for some tough, colorful shrub that gets along with conifers?