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This tree will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. It lends an extremely fine and delicate texture to the landscape composition which can make it a great accent feature on this basis alone. Neither the flowers nor the fruit are ornamentally significant.īlue Star Juniper is a dense evergreen tree, selected and trained to grow in a small tree-like form with the primary plant grafted high atop a standard. The needles are highly ornamental and remain blue throughout the winter. Avoid saturated soils to prevent fungal issues in Junipers.A highly ornamental form of this juniper trained to grow on a single trunk foliage is a dense, silvery blue ball, needles are radially arranged around the branches, giving the appearance of stars an excellent color and interest accent for the gardenīlue Star Juniper has attractive blue foliage which emerges silvery blue in spring. For severe infections the pesticide Bonide is recommended. These can be treated with horticultural oil. Mites and scale are insects that can occasionally affect Junipers. When properly cared for, they rarely have issues with pests and disease.

Junipers are extremely hardy and versatile. Fertilizingįertilize when planting and in early spring yearly with a slow-release fertilizer. Junipers are drought tolerant after establishing and even more so after being in the ground about two years. After your plants are established, they only need watered during hot, dry spells.

Water your Juniper deeply a couple times a week for the first month or two. Do not allow the mulch to touch the trunk as this increases the chances of pests and disease. After planting, adding a layer of 2 to 3 inches of mulch will help keep the soil moist and protect the lower branches from fungal issues. Junipers are great "street shrubs" as they tolerate pollution and salt well. They do like a neutral to acidic soil so if you know you have an alkaline soil choose an acidic fertilizer (most fertilizers for evergreens are acidic). Junipers thrive in full sun to part sun and adapt to any soil that is well drained. As long as you avoid extreme temperatures you can plant your Juniper almost any time of the year. Be sure to choose the best location for your Blue Star Juniper.