Juniperus squamata
Singleseed Juniper, Flaky Juniper
Mature Size, Growth, Longevity
Mature size/form is highly variable, growing 1-25' tall; depending on selection. Straight-species rarely used in landscapes. Habit may be dwarf, decumbent, ascending or erect. Most commonly is a low to prostrate shrub, but can also be trained into a tree. Slow growth rate.
Native Range
Native to Afghanistan, Himalayas, western China and Taiwan. Introduced 1836.
Flower and Fruit Details
Dioecious (and some monoecious) flowers, male yellow, female green. Fruits in ellipsoidal cones, 0.25-0.33" long, reddish-brown becoming black when ripe in second year, 3-6 scales. Single seeds, ovoid and ridged.
Leaf and Bark Features
Evergreen: Awl-shaped, overlapping foliage, in whorls of 3, needles are 1/8-1/6" long, grayish-green to blue-green, with 2 grayish-white bands, becoming bronze to purplish blue-green in winter. Old leaves persisting on shoots and branchlets as dry brown scales. Rusty-brown bark, exfoliating in papery flakes.
Culture and Care
Adaptable, tolerates dry soils, poor performance in prolonged wet soils. Not well-suited to heat and humidity of the Southeast. Best in Zones 4-7(8). Likes cool, temperate climates. Susceptible to bagworms.
Strengths, Weaknesses, Other Facts
Tolerates any soil, any pH, wind, drought & salt Good wildlife value. 4-season interest: Spring, Summer, Fall, Winter. Often confused with Juniperus procumbens.
Suggested Uses
Several cultivars available for a variety of uses, straight-species specimens are rarely seen.
Taxa and Plants of this Species at BCA
The following taxa are (or were) represented in the collections at Boone County Arboretum. Additional taxa may be available in the trade that are not included here.
Juniperus squamata 'Blue Star' // Blue Star Juniper, Blue Star Singleseed Juniper
Shrub. A low, rounded, squat, dense plant, slowly growing to 3' tall and 3-4' wide. It remains a dense, flat-topped dome. Older plants become more mounded & spreading. Densely packed, rich blue juvenile foliage. It shines like a silver-blue star, thus the name. High humidity and high night temperatures may reduce the intensity of blue foliage color. Needs good drainage. This is a Dutch cultivar found around 1950, originating from a witches broom branch sport of Juniperus squamata 'Meyeri'. Introduced in 1964.
Bed 141