Tulip fosteriana Orange Emperor has imperial, deep orange flowers with beautiful greyish-green leaves. Approximately 8" blooms! Large wide petals and are truly a perennial tulip! The brightest colours you can think of; they make your day! This tulip is a beautiful orange with red tones. Inside, it is touched with yellow at the base. The large flowers literally glow in the sun. Orange Emperor is a strong performer. Height: 16-18 inches Sunlight: Full Bulb Size: 12cm+ 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.