It is just very difficult for new plants to compete with tree roots, especially in the shade. Add organic matter to the ...

Let the plant spill over retaining walls or form a carpet around taller plants. Why we love it: The colors are dramatic, ...

Q. Do you recommend rock garden plants? We were in West Seattle and the rock retaining walls seem to be filled with bright, low-growing flowers. I was told that rock garden plants are perennial ...