Miscellaneous Group (Division 15) – All species and hybrids not included in other divisions. There are 2 informal sections: low growing, 4-8″ tall, with star shaped flowers, 2-3″ across, with pointed tepals, and the taller growing, 8-14″ or more tall, with mainly bowl shaped flowers, 2 ½-6″ across, mostly rounded bases and tepals. Very early to late season flowering. Grow in a rock garden or border. Keep dry in summer. The smallest ones also be grown in a bulb frame. T. sylvestris is suitable for naturalizing in fine grass.
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.