5 Snow Drift Pure White Hyacinth Bulbs 5 Fragrant and Luscious White Hyacinth Bulbs - FALL 2015 Large Bulb Size 15-16 cm 12" Tall Zones 4-10 but needs pre-chilling in Zones 8-10 Marde Ross & Company specializes in flowering bulbs and peonies and has been a licensed California Nursery for 28 years