‘Citronelle’ coral bells, alumroot Heuchera 'Citronelle' Type:heucheras (coral bells)perennials Notable Traits:attracts butterflies/pollinatorsresistant: deerstriking foliage Hardiness:Zone 4 – 9 Mature Height:8-12in Light:part sun/afternoon shade (eastern exposure)part to full sun (6 hours or more sun) Water:requires regular watering Bloom Color:white Bloom Shape:filler Bloom Time:summer Foliage:yellow Description Light green leaves brighten shade or semi-shade beds, contrasting beautifully with its green and black-leafed cousins and blue and green-leaf hostas.