Tulipa urumiensis Tulipa urumiensis (Tulipa tarda) Common name(s): Tarda Tulip Blooming time: spring Blooming colors: yellow Height: up to 15 cm Origin: Iran, Kazakhstan, Kyrgyzstan Hardiness zone (USDA): Z5 – to -23 °C Family: Liliaceae Related plants:Fritillaria imperialis Fritillaria meleagris Fritillaria uva-vulpis Tulipa biflora Tulipa kaufmanniana