Fosteriana Group (Division 13) – These medium to long stemmed tulips grow 8-26″ tall and mainly derive from T. fosteriana and bear single, bowl shaped flowers to 5″ across, are white to yellow or dark red, sometimes edged or flamed in another color, and with variable contrasting bases. Early to mid season flowering and produces leaves 2-12″ long, are usually light bright green to dark green sometimes mottled or stripped red purple. Suitable for a 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.