Greigii Group (Division 14) – These tulips are mainly derive from T. grigii and bear single, bowl shaped flowers, to 4″ across, are yellow to red, sometimes flamed or edged in a different color, and with contrasting bases. Usually early or mid season flowering. It produces broad, spreading, usually wavy edged, blue gray leaves 2-7″ long, have dark bluish maroon mottled or striped. Grow in a rock garden or border
Select tulips cultivars and species based on hardiness zones. Most tulips require a long cold winter and dry summer and thrive in Zones 4-6.In Zones 7-8, fewer are adaptable. In Zones 9-10, they should be grown as annuals, and bulbs must be precooled at 40–45 degree Fahrenheit for 8-10 weeks before planting. Grow in fertile well drained, neutral to slightly acidic soil in full or afternoon sun. In Zones 7-10. Choose a shady site or one with morning sun only.