Tulipa urumiensis Tulipa urumiensis (Tulipa tarda)Common name(s): Tarda TulipBlooming time: springBlooming colors: yellowHeight: up to 15 cmOrigin: Iran, Kazakhstan, KyrgyzstanHardiness zone (USDA): Z5 – to -23 °CFamily: LiliaceaeRelated plants:Fritillaria imperialisFritillaria meleagrisFritillaria uva-vulpisTulipa bifloraTulipa kaufmanniana