Excellent soil drainage is key to healthy growth.Â Furthermore, this plant is tolerant of rocky soil, as well as salt from saltwater spray or road salt. ; the staff of the Liberty Hyde Bailey Hortorium. Blue rug juniper is certainly a low-maintenance plant. In winter, the foliage turns a purplish color, for additional interest. For grafting, you need to prepare rootstocks. This cultivar is synonymous with J. horizontalis Blue Rug and sometimes commonly called blue rug juniper. Blue Rug Juniper has attractive silvery blue foliage. Here are â¦ Itâs an ornamental evergreen that can grow in almost any dry condition. They include:Â, Basic Principles of Pruning Woody Plants. It pairs nicely with other evergreens, below trees, or along hardscapes. Blue Rug Juniper: A Guide to Grow and Care Blue Rug Juniper David Beaulieu is a garden writer with nearly 20 years experience writing about landscaping and over 10 years experience working in nurseries. It lends an extremely fine and delicate texture to the landscape composition which should be used to full effect. These plants can grow in a variety of temperatures and humidity levels. Informational table showing disease name, symptoms, pathogen/cause, and management of Juniper diseases. Read our, 'Emerald Gaiety' Wintercreeper Plant Profile, How to Grow and Care for Alligator Juniper. Wiltonii is a female cultivar noted for its excellent, dense, prostrate form, typically growing to 4-6 tall and spreading to 6-8 wide. With a moderate growth rate, it reaches less than a foot tall but can spread several feet wide, forming a dense mat. Popular examples include 'Bar Harbor', 'Blue Acres', 'Emerald Spreader', 'Green Acres', and 'Wiltonii' ("Blue Rug Juniper"). This juniper is a practical solution for sunny slopes where water runs off so quickly that plants are apt to go thirsty. Makes a perfect ground cover in sunny areas. The Blue Rug Juniper is a fast growing evergreen that forms a low carpet of striking silver-blue foliage over a wide area. One of if not the lowest growing of all the ground hugging Juniper varieties, Blue Rug is one we use more than any other juniper as a groundcover in landscape design. Lady Bird Johnson Wildflower Center, NPIN Database: https://en.wikipedia.org/w/index.php?title=Juniperus_horizontalis&oldid=974578087, Flora of the Great Lakes region (North America), Creative Commons Attribution-ShareAlike License, Adams, R. P. (2004). Trafford Publishing, This page was last edited on 23 August 2020, at 20:01. 4.5 out of 5 stars 23. FREE Shipping. Updated: July 31, 2016. Blue rug juniper (Juniperus horizontalis 'Wiltonii') is a drought-tolerant ground cover that craves good soil drainage. Trim the juniper in the late winter or early spring when the weather is dry. Remove the needles from the bottom third of the cutting, dip the end in powdered rooting hormone, and plant it in a potting mix. Works well as a specimen and in rock gardens. Referred to as a Juniper Berry; Bark: New growth green, branches reddish, Mature bark grey often with reddish tone and vertical shredding It spreads very quickly, and will likely expand several feet in the first season alone after being transplanted from a nursery. However, eating large amounts of juniper berries can result in kidney issues. Blue rug juniper doesn't really need to be pruned unless the growth has become unruly or portions of the plant are damaged or diseased. This is an extremely durable evergreen shrub that hugs the ground with trailing branches. Immature berries are green, taking 2 to 3 years to ripen to a purplish blue-black. Missouri Botanical Garden. Juniperus horizontalis 'Wiltonii' -- Blue Rug juniper -- 4 inches high and 8 to 10 foot spread; silver-blue foliage Problems Some junipers are susceptible to Gymnosporangium rust disease, otherwise known as apple rust fungus, which can be a serious problem if planted â¦ 3. Juniperus horizontalis, the creeping juniper or creeping cedar, is a low-growing shrubby juniper native to northern North America, throughout most of Canada from Yukon east to Newfoundland, and in the United States in Alaska, and locally from Montana east to Maine, reaching its furthest south in Wyoming and northern Illinois. Landscapers use them 5, 6 12 or 100 at a time as a ground cover. It stays no more than 6 inches tall, so it really is a carpet of blue over your garden. The amount of antioxidants in juniper berry is high and easily exceeds that of most real berry fruit, based on their ORAC values: Ripe blue juniper = 8,890 to 76,770; Immature green juniper = 8,420 to 80,260; These come from a series of tests done in Norway on 6 â¦ ; Bailey, E.Z. All necessary for Pest Control https://amzn.to/2rLU5CG ----- Weed Killer That Will Not Harm Blue Rug Juniper. Prized for its blue-green, scale-like foliage, the blue rug juniper (Juniperus horizontalis "Wiltonii") produces a low, creeping growth habit. 4.0 out of 5 stars 14. Moreover, particularly humid or wet weather can cause some stem dieback or root rot.ï»¿ï»¿. It is closely related to Juniperus virginiana, and often hybridizes with it where their ranges meet in southern Canada. This is a complicated method, and it is used mainly by professionals. Each short, dark green needle is accented with a silvery-blue pinstripe. Foliage is a silver blue that transitions into purple bronze during the winter months. depressa âAmDakâ) is a tough little customer with a very exciting densely spreading growth habit. A juniper berry is the female seed cone produced by the various species of junipers.It is not a true berry but a cone with unusually fleshy and merged scales, which gives it a berry-like appearance. Well over 100 different cultivars have been selected for use as ornamental plants in gardens, their strictly prostrate growth habit being valued for ground cover. But to give mature plants a boost, you can use an organic fertilizer in the fall if you wish. Juniper berry toxicity is relatively rare, but can occur in certain circumstances. The juvenile leaves (on young seedlings only) are needle-like, 5â10 mm long. The growth habit can be described as a dense, low, mat-like plant with a height of 4 - 6 inches and a spread of 5 - 6 feet. Junipers produce dusky blue berries that are actually cones containing seeds. It is dioecious, producing cones of only one sex on each plant. If you are growing it as a ground cover for a large site, space plants 4 to 6 feet apart. However, you can prevent the juniper from spreading outside of your desired planting site by keeping it trimmed. The best time to plant blue rug juniper is in the cooler temperatures of fall, winter, or early spring. Landscape Attributes Blue Rug Juniper is a dense multi-stemmed evergreen shrub with a ground-hugging habit of growth. The cones are berry-like, globose to bilobed, 5â7 millimetres (0.20â0.28 in) in diameter, dark blue with a pale blue-white waxy bloom, and contain two seeds (rarely one or three); they usually have a curved stem and are mature in about 18 months. It lives up to both its scientific and common names, reaching only 10â30 cm tall but often spreading several metres wide. Propagating Juniper By Grafting. Gin's original preparation was used for kidney ailments. This is a relatively low maintenance shrub, and is best pruned in late winter once the threat of extreme cold has passed. Planted on a hillside or rock garden, its aesthetic beauty will be noticed throughout the season. Blue Rug Juniper, Juniperus horizontalis âWiltonii', is a l ow growing, creeping silvery-blue evergreen shrub with dark blue, berry-like cones. Root growth can take several months, soÂ don't plant your cutting outside until the next spring. Junipers of the World: The genus Juniperus. The Spruce uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. The shoots are slender, 0.7â1.2 millimetres (0.028â0.047 in) diameter. Bailey, L.H. Blue Star juniper is a needled evergreen shrub with silvery-blue, densely-packed foliage. The plants just glisten in bright sunlight. Place the cutting in bright, indirect light in a warm room, and keep the soil moist. Take a cutting that's around 4 to 6 inches long from a healthy stem between late July and October. The leaves are arranged in opposite decussate pairs, or occasionally in whorls of three; the adult leaf blades are scale-like, 1â2 mm long (to 8 mm on lead shoots) and 1â1.5 millimetres (0.039â0.059 in) broad, and derive from an adnate petiole.
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