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Summary
Bloom Color: Blue.
Physical Characteristics
Juniperus horizontalis is an evergreen Shrub growing to 1 m (3ft 3in) by 3 m (9ft) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 4. It is in leaf all year, 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 and saline soils.
It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerate maritime exposure.
UK Hardiness Map
US Hardiness Map
Synonyms
Habitats
Ground Cover;
Edible Uses
Edible Parts:
Edible Uses: Coffee Tea
The fruits are roasted and used in the preparation of a coffee-like beverage[183]. A tea is made from the young branch tips[183, 257].
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Diaphoretic Febrifuge Kidney
An infusion of the branches, or fleshy cones, has been used in the treatment of coughs, colds and fevers[257]. The cones or branches can also be used as a steam bath[257]. An infusion of the seeds has been used in the treatment of kidney problems[257].
References More on Medicinal Uses
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Other Uses
Baby care Incense
Landscape Uses: Cascades, Erosion control, Ground cover, Massing, Rock garden, Seashore. A good ground cover plant for a sunny position[208], eventually making a dense cover though it requires weeding for the first year or so[197]. The bark has been crushed and used as a soft hygienic pad in cradles[257]. It has also been used to make mats[257]. The young twigs and leaves have been burnt as an incense[257].
Special Uses
Food Forest Ground cover
References More on Other Uses
Cultivation details
Succeeds in a sunny position in most soils so long as they are well drained, preferring a neutral or slightly alkaline soil[11] and succeeding on chalk[200]. Succeeds in dry soils[200]. An aggregate species[204]. There are many named varieties selected for their ornamental value[200]. 'Bar Harbour' is very salt-resistant[200]. Dioecious, male and female plants must be grown if seed is required. Special Features:
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
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
The PFAF Bookshop
Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.
Shop Now
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
Found In
Countries where the plant has been found are listed here if the information is available
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
|
| 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 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 silicicola | Southern Redcedar, Juniper, Southern Red Cedar | Tree | 20.0 |
7-10
| S | LMH | N | DM | 2 | 2 | 3 |
| 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 |
|
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
Moench.
Botanical References
200204
Links / References
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