Fritillaria uva-vulpis Fritillaria uva-vulpis Common name(s): Fox-Grape Fritillary Blooming time: spring Blooming colors: brown-yellow Height: 20 to 30 cm Origin: Irak, Iran, Turkey Hardiness zone (USDA): Z4 – up to -28 °C Family: Liliaceae Related plants:Fritillaria imperialis Fritillaria meleagris Tulipa biflora Tulipa kaufmanniana Tulipa urumiensis