5 Yellow Queen Hyacinth Bulbs -Top Size Bulbs 16-17 cm Fragrant and Luscious Bright Yellow Hyacinth Bulbs Large Bulb Size 17-18 cm 12-16" Tall: Improved yellow variety 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