Planting instructions: This tulip is a versatile addition to any color combination in the garden. You will appreciate the strong stems and long bloom period. Touted as one of the most exciting tulips, they"re excellent for rock gardens. Height: 15-18 inches, Sunlight: Full Bulb, Soil: Well drained, Bloom Time: Early-Mid, Depth: 5-8 inches, USDA Zones: 3-7 ( prechill 7b-10) for 10 days, Density: 5 per sq. ft., Zones 3-10 Delivery by EMS 8-15 working days. The tracking number can be tracked at USPS web, please waiting!