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W.D. Brush @ USDA-NRCS PLANTS Database |
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W.D. Brush @ USDA-NRCS PLANTS Database |
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Summary
Form: Columnar, Oval, Pyramidal.
Physical Characteristics
Juniperus silicicola is an evergreen Tree growing to 20 m (65ft) by 8 m (26ft) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 8. It is in leaf all year, in flower from April to May, and the seeds ripen in October. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). and is pollinated by Wind. The plant is not self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very alkaline soils.
It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Woodland Garden Canopy; Ground Cover;
Edible Uses
Edible Parts: Fruit
Edible Uses:
Fruit - raw or cooked. A thin, sweetish resinous flesh, the cones are about 7 - 10mm in diameter and have a thin skin[82, 229].
References More on Edible Uses
Medicinal Uses
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Abortifacient Analgesic Anthelmintic Antirheumatic Antiseptic Aromatherapy Cancer Diaphoretic
Diuretic Emmenagogue Febrifuge Rubefacient
The leaves are analgesic, antirheumatic, diuretic and febrifuge[257]. An infusion has been used in the treatment of fevers, stiff neck, backache, headaches, low fever, coughs, colds and diarrhoea[257]. A decoction of the leaves has been used as a body rub and steam bath in the treatment of rheumatism[257]. The following reports are for the closely related J. virginiana, they probably also apply to this species. The leaves are anthelmintic, diuretic, rubefacient and stimulant[4, 257]. A decoction has been used in the treatment of coughs and colds, general weakness and as a medicine for convalescents[257]. The berries are anthelmintic, diaphoretic, emmenagogue and mildly antiseptic[4, 213, 222, 257]. They have been chewed as a treatment for mouth ulcers[213, 257] or made into a tea to treat colds, rheumatism, worms etc[222, 257]. The fresh young twigs are used as a diuretic[213]. An infusion has been used both internally and as a steam bath in the treatment of rheumatism[257]. The essential oil from the wood is an abortifacient, in some cases it has caused vomiting, convulsions, coma and death[4, 213]. The plant is said to contain the anticancer compound podophyllotoxin[222]. The essential oil from the berries is used in aromatherapy. Its keyword is 'Composing'[210].
References More on Medicinal Uses
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Other Uses
Essential Incense Insecticide Repellent Shelterbelt Wood
Wood - straight-grained, very durable, light, brittle, soft, easily worked, very fragrant, insect-resistant[229]. The wood does not shrink much on drying and weighs 30lb per cubic foot[227]. The reddish wood is highly prized for cabinet making[226], it is also used for fencing, the casing of lead pencils etc[229]. This tree has been over-exploited and large trees suitable for commercial exploitation are now rare[229]. The following reports are for the closely related J. virginiana, they probably also apply to this species. An essential oil is obtained from the wood[1, 46, 57, 61]. Composed of cedar camphor or cedrol[213], it is used in soaps, as an insecticide and moth repellent[61, 213], a deodorant, in polishes, perfumery etc[4, 21]. The leaves are used as an incense[46, 213] and are also either burnt or crushed and then scattered around as an insect repellent[169, 257]. The crushed bark can be used as a soft base in cradles[257]. The bark has also been used to make mats[257]. Some cultivars of this tree are suitable for ground cover when spaced about 90cm apart each way[208]. 'Tripartita' and 'Chamberlaynii' have been recommended[208]. A fairly wind resistant tree, it can be grown as part of a shelterbelt planting[200].
Special Uses
Food Forest Ground cover Scented Plants
References More on Other Uses
Cultivation details
Landscape Uses:Christmas tree, Screen, Seashore, Specimen. Succeeds in most soils if they are well drained, preferring a neutral or slightly alkaline soil[1, 11] and succeeding on chalk[200]. Established plants are drought tolerant, succeeding in hot dry positions[200]. This species is only hardy in the milder areas of the country, requiring a warm sunny sheltered position[81]. A very ornamental tree, it is a slow-growing but long-lived tree in the wild[229]. Seed production is cyclic, a year of high yields being followed by some years of low yields[229]. Closely related to J. virginiana[229]. This species often hybridizes with other members of the genus. The crushed foliage has an aroma like soap or paint[185]. Plants are resistant to honey fungus[88]. In America this tree is a host of a gall-like rust that at certain stages in its life-cycle also attacks the leaves of apple trees[149]. Plants are dioecious, male and female plants must be grown if seed is required. Special Features:
Attracts birds, North American native, Fragrant foliage, Inconspicuous flowers or blooms. In garden design, as well as the above-ground architecture of a plant, root structure considerations help in choosing plants that work together for their optimal soil requirements including nutrients and water. The root pattern is flat with shallow roots spreading near the soil surface [2-1].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
The seed requires a period of cold stratification. The seed has a hard seedcoat and can be very slow to germinate, requiring a cold period followed by a warm period and then another cold spell, each of 2 - 3 months duration[78, 81]. Soaking the seed for 3 - 6 seconds in boiling water may speed up the germination process[11]. The seed is best sown as soon as it is ripe in a cold frame. Some might germinate in the following spring, though most will take another year. Another possibility is to harvest the seed 'green' (when the embryo has fully formed but before the seedcoat has hardened). The seedlings can be potted up into individual pots when they are large enough to handle. Grow on in pots until large enough, then plant out in early summer. When stored dry, the seed can remain viable for several years[1]. Cuttings of mature wood, 5 - 10cm with a heel, September/October in a cold frame. Plant out in the following autumn[1, 78]. Layering in September/October. Takes 12 months[78].
Other Names
If available other names are mentioned here
Native Range
NORTHERN AMERICA: United States (Alabama, Florida, Georgia (south), Louisiana, Mississippi, North Carolina (east), South Carolina)
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
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Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
Juniperus ashei | Ashe Juniper, Mountain Cedar | Tree | 6.0 |
7-9
| S | LMH | N | DM | 1 | 0 | 2 |
Juniperus californica | Californian Juniper, Chuperosa | Tree | 12.0 |
8-10
| S | LMH | N | DM | 2 | 1 | 2 |
Juniperus chinensis | Chinese Juniper, Sargent juniper | Tree | 15.0 |
4-10
| S | LMH | N | DM | 0 | 2 | 3 |
Juniperus communis | Juniper, Common juniper | Shrub | 9.0 |
4-10
| S | LMH | SN | DM | 3 | 3 | 4 |
Juniperus communis nana | Juniper | Shrub | 0.5 |
4-10
| S | LMH | SN | DM | 3 | 3 | 4 |
Juniperus conferta | Shore Juniper | Shrub | 0.2 |
6-10
| S | LMH | SN | DM | 2 | 0 | 3 |
Juniperus deppeana | Alligator Juniper | Tree | 18.0 |
7-9
| S | LMH | N | DM | 3 | 0 | 2 |
Juniperus drupacea | Syrian Juniper | Tree | 15.0 |
6-9
| M | LMH | N | DM | 3 | 0 | |
Juniperus excelsa | Grecian Juniper | Tree | 20.0 |
5-9
| | LMH | N | DM | 2 | 1 | 3 |
Juniperus horizontalis | Creeping Juniper, Horizontal Juniper | Shrub | 1.0 |
4-9
| M | LMH | N | DM | 2 | 1 | 3 |
Juniperus monosperma | One-Seed Juniper | Tree | 18.0 |
4-8
| M | LMH | N | DM | 3 | 2 | 3 |
Juniperus occidentalis | Western Juniper | Tree | 18.0 |
4-8
| S | LMH | N | DM | 3 | 2 | 3 |
Juniperus osteosperma | Desert Juniper, Utah juniper | Tree | 12.0 |
4-8
| S | LMH | N | DM | 2 | 2 | 3 |
Juniperus oxycedrus | Prickly Juniper, Cade juniper | Tree | 15.0 |
8-10
| M | LMH | N | DM | 0 | 1 | 2 |
Juniperus recurva | Himalayan Juniper | Tree | 12.0 |
6-9
| S | LMH | N | M | 1 | 1 | 1 |
Juniperus rigida | Temple Juniper, Needle Juniper | Tree | 8.0 |
6-7
| S | LMH | N | DM | 2 | 1 | 3 |
Juniperus sabina | Savine, Tam Juniper | Shrub | 4.0 |
4-7
| S | LMH | N | DM | 0 | 2 | 4 |
Juniperus scopulorum | Rocky Mountain Juniper, Weeping Rocky Mountian Juniper, Colorado Red Cedar | Tree | 10.0 |
3-7
| S | LMH | N | DM | 3 | 2 | 4 |
Juniperus squamata | Flaky Juniper | Shrub | 4.0 |
4-7
| S | LMH | N | DM | 0 | 1 | 3 |
Juniperus tetragona | | Tree | 0.0 |
7-10
| | LMH | N | DM | 2 | 0 | 2 |
Juniperus virginiana | Pencil Cedar, Eastern redcedar, Southern redcedar, Silver Cedar, Burk Eastern Red Cedar, Silver East | Tree | 20.0 |
3-9
| S | LMH | N | DM | 2 | 2 | 4 |
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Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
(Small.)L.H.Bailey.
Botanical References
82200
Links / References
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Subject : Juniperus silicicola
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