Hosta ‘Ivory Coast’ Hosta 'Ivory Coast' Type:hostas Hardiness:Zone 3 – 9 Mature Height:18-24in Light:part sun/afternoon shade (eastern exposure)part to full shade (4 hours or less sun)shade (northern exposure) Water:requires regular watering Bloom Shape:trumpet Description Grey-green leaves have a bluish hue in spring and are surrounded by a wide neon yellow margin that gets wider with age and turns white by late summer. Lavender flowers in early summer. 20 inches tall by 40 inches wide. Good slug resistance.