When designing your rock garden, think of the space as a series of eye-catching vignettes that paint the overall landscape. Here, the orange blooms of Eriogonum umbellatum stand out against the gray-green foliage and pink blooms of Mojave sage (Salvia pachyphylla). Both plants are drought-tolerant and thrive with little maintenance./
Convallaria majalis Lily-of-the-Valley (no fail perennial for the northeast) Size: To 9 inches tall and several feet across Grow it with: Japanese painted fern, a slow-spreading fern that creates season-long interest thanks to its silver- and burgundy-touched fronds
Blue star creeper? I saw it integrate with grass really well too!