(image from google images)

Common name: watch-chain stonecrop

Size, form, texture: height 0.25-0.5 ft, spreading sedum,

Hardiness, origin, native ecology: zone 3-9, easy to propagate, full sun, dry to medium soil, can tolerate drought and  bit of shade and moisture, but thrives in sandy well drained soils.

Bud, foliage, flower and fruit characteristics: green and copper foliage, sedums, 5 petals, 5 sepals multiples of 5. All flower branches lie flat, increased sun exposure and dryness increases rustiness on leaves. Yellow blooms in June to August.

Cultural and maintenance requirements and appropriate uses in the landscape: good ground cover, likes top of wall, or slope, grows well in pots. Very easy to propagate, looks good in between cracks of rock wall.