watchchain stonecrop Sedum sexangulare Type:groundcoverperennials Notable Traits:attracts butterflies/pollinatorsfast-growinggreen roof plantslow-maintenanceresistant: deerresistant: diseaseresistant: rabbitstriking foliagetolerates clay soiltolerates harsh roadside conditionstrailing habit Hardiness:Zone 3 – 9 Mature Height:less than 8in Light:sun (8+ hrs) Water:drought tolerant once establishedrequires well-drained soilsucculent/requires very little water Bloom Color:yellow Bloom Shape:cluster Bloom Time:summer Foliage:green Description Super low, 4″ mat of very fine green foliage is covered with yellow flowers in mid-summer.