Genus Juniperus Species squamata Cultivar 'Blue Star' Common Name 'Blue Star' Juniper Patent ID Height 2 to 3 Feet Spread 3 to 4 Feet Habit Low, rounded shrub. Extremely slow growth rate. Zone 4 to 7 Culture Full Sun. Flower Flower Color Foliage Needled evergreen with silver blue color. Category: Conifer Description Does not perform well in southern areas with extreme heat and humidity.