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Summary
Taxonomic Note: This genus was formerly classified in the family Taxodiaceae. Modern classifications include it within the Cupressaceae.
California Juniper (J. californica) is native to arid and semi-arid regions of California and northern Mexico. It is highly adapted to dry conditions and can withstand prolonged periods of drought. After removing the seeds, Native Americans ate them raw or prepared them as mush or cakes. Seed resins, however, are excessive and sugars minimal, so the fruit is acrid and unpalatable. They are commonly used in xeriscaping and erosion control.
Form: Irregular or sprawling, Pyramidal.
Its ecological and horticultural value is much greater than its food value. The species is exceptionally drought-tolerant, supports wildlife, stabilizes desert soils, and survives in landscapes where few substantial evergreen trees can persist. For PFAF users, California juniper is therefore worth knowing both for its traditional food history and as a highly resilient US native tree, while its fruits should be approached conservatively and in small quantities.
Juniperus species:
Junipers are evergreen coniferous trees or shrubs ranging from tall 40m (130ft) trees to low-spreading prostrate shrubs. The needle-like leaves are aromatic, and the fruit is edible in some species. Many ornamental species are available, and some are used for ground cover, hedging, erosion control and in a shelterbelt. Some forms tolerate maritime exposure. Eat fruit in small quantities. Many Juniperus species (junipers) are known for their hardiness, drought tolerance, and adaptability to dry, poor soils.
Physical Characteristics

Juniperus californica is an evergreen Tree growing to 4.5 m (14ft) by 4.5 m (14ft) 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 February to April, 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.
It is noted for attracting wildlife.
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.
UK Hardiness Map
US Hardiness Map
Synonyms
Sabina californica (Carrière) Antoine
Plant Habitats
Woodland Garden Sunny Edge;
Edible Uses
Edible Parts: Fruit
Edible Uses:
The mature fleshy cones are the only part with a meaningful history as human food. Leaves, twigs, bark and seeds are not appropriate ordinary foods [2-3]. Some Indigenous peoples ate California juniper fruits fresh, others boiled them, and some ground them or incorporated them into cakes or meal. The U.S. Forest Service specifically records the cones being ground and molded into cakes, while the Native American Ethnobotany Database records fresh and boiled food uses among California peoples. Forest Service R&D. The seeds occupy a substantial portion of the fruit and are generally removed or avoided during preparation. The surrounding fleshy scales provide the useful carbohydrate material. Fruit quality varies considerably. Sample a few fruits from any individual tree before collecting a large quantity. Some may provide a brief pleasant sweetness, while others are dominated almost completely by bitter, resinous or burning flavors. Cooking does not reliably remove these resins. Boiling can soften the fruit and move some soluble material into the cooking liquid, but it may simply produce an equally resinous preparation. For modern use, California juniper fruit is better regarded as a limited seasoning or supplementary food than as a fruit to consume by the bowlful [2-3]. Edibility Rating: 1.5/5. California juniper receives an overall edibility rating of approximately 1.5 to 2 out of 5. The rating recognizes genuine Indigenous food use, substantial carbohydrate content and excellent seasonal availability, but also reflects severe practical limitations. The fruits are resinous, frequently acrid, relatively low in edible flesh, difficult to improve through cooking and unsuitable for regular heavy consumption. An unusually mild tree could merit a higher part-specific rating, but the species as a whole should remain conservatively rated. Taste, Processing & Culinary Use. Always taste California juniper fruits individually before harvesting in quantity, because flavor varies considerably between trees. A favorable fruit may begin with mild sweetness and a pleasant evergreen aroma. Less favorable fruits quickly develop bitterness, pine-like resin, and a burning or throat-catching quality. Our field assessment found the sampled fruits particularly disappointing: sweetness was minimal while resin dominated the flavor. Neither cooking nor ordinary processing produced a major improvement [2-3]. The fruit's texture is dry-fleshy to somewhat mealy rather than juicy. Seeds account for much of the interior volume, leaving comparatively little edible material [2-3]. Historically, fruits could be eaten after removing the seeds or crushed and mixed into other foods. Mixing them with flour or more neutral seed meal would dilute the resins and make the natural sugars more useful. This remains one of the most sensible modern approaches. A small amount of finely processed fruit could contribute sweetness and aromatic complexity to a larger quantity of bland flour or grain. The fruits could also be simmered into a strongly flavored liquid or syrup, but concentration may intensify undesirable resins at the same time as sugars. Drying can improve storage but does not necessarily reduce resinous flavor. Because California juniper fruits retain their structure and resist decay for a long time, their great historical advantage was probably reliability rather than exceptional palatability [2-3]. Seasonality (Phenology): California juniper is evergreen and can be recognized throughout the year. Male and female reproductive structures generally develop on separate trees, although occasional plants may bear both sexes. Pollen is released during the cooler part of the year into early spring. The seed cones mature relatively quickly compared with some other western junipers, usually within one growing season. The U.S. Forest Service describes ripe fruits as reddish brown and containing one or two seeds. Fruit maturity is generally reached in autumn, after which the cones may remain attached for months. This persistence can make them available through winter, when many other plant foods have disappeared. The long harvest period is one of the strongest advantages of juniper fruit. A productive tree can continue holding usable cones well after annual herbs, berries and many seeds are gone. However, fruits that remain too long may become weathered, excessively dry, insect-damaged, or contaminated by mould, so apparent persistence should not be confused with unlimited storage quality. Safety & Cautions: California juniper fruit should be eaten only in small quantities. Juniper fruits contain volatile oils and resinous compounds that can be physiologically active. The strongest formal safety monographs concern common juniper, Juniperus communis, rather than J. californica, so the exact risk cannot simply be transferred species-for-species. Nevertheless, the European Medicines Agency advises against medicinal juniper-fruit preparations in severe renal disease, confirming that concentrated juniper products deserve caution rather than being treated as ordinary fruit. Fitoterapia A strongly burning or irritating fruit should be rejected rather than consumed in quantity. People with kidney disease should avoid experimental concentrated use of juniper fruit. Pregnant people should likewise avoid medicinal or large-dose use of juniper preparations because the safety evidence is inadequate. Do not confuse the fruits with safe conventional berries simply because they look similar. Never eat the scale-like foliage, twigs or bark [2-3]. Wild-harvested fruits should also be inspected for mould, insect damage, bird contamination and environmental pollutants. Harvest & Processing: Harvest mature fruits after they have developed their full blue-brown, purple-brown or reddish-brown color and no longer appear hard green. Taste several fruits from each tree before gathering a supply. Avoid trees whose fruits immediately produce severe throat burning or overwhelming bitterness. Pick individual fruits by hand or place a cloth beneath accessible branches and gently shake or strip ripe cones. Wear gloves if handling large quantities because juniper resins can remain on the skin and the twigs may be abrasive. Remove leaves, twigs, and damaged fruits. The hard seeds can be separated by crushing the fleshy cone and removing the central seed manually, or by grinding the fruit and later screening or picking out coarse fragments. For cakes or meal, the remaining fruit flesh may be dried and ground before mixing with other foods. For experimental tea or flavoring, lightly crushed fruits may be steeped in hot water, but the resulting drink should be used conservatively because aromatic resins transfer readily into the liquid. Traditional Indigenous Uses: California juniper was used by several Indigenous peoples of California and the Southwest. The Native American Ethnobotany Database records fruit use among groups including the Diegueño/Kumeyaay and Costanoan/Ohlone, with preparations ranging from eating the fruits fresh to boiling them. Some records describe the fruit as a food of scarcity rather than a preferred staple. Naeb The U.S. Forest Service also records that Native Americans ground the fleshy cones and formed the material into cakes. Forest Service R&D These accounts help explain apparently contradictory descriptions of California juniper as both edible and undesirable. A food can be culturally important because it is abundant, persistent, and available during difficult seasons even when its flavor is mediocre. Processing also matters. Mixing juniper material with more neutral foods could reduce resinous intensity and make use of its sugars without requiring a person to consume large quantities of undiluted fruit. This makes California juniper an excellent example of why ethnobotanical foods should be evaluated within their traditional preparation context rather than simply tasted raw and labeled either good or bad. Nutritional Value: Detailed modern nutritional analyses specifically for Juniperus californica fruits are limited. The edible fleshy portion contains carbohydrates, including appreciable sugars, but also substantial aromatic and resinous compounds. Because seeds take up a large proportion of each cone and are not normally eaten as a substantial food, the usable calorie yield per kilogram of gathered fruit is lower than the apparent fruit abundance suggests. The plant should therefore be regarded as a supplementary carbohydrate source rather than an important fat or protein food. Its main nutritional advantage is seasonal persistence. Identification: California juniper is an aromatic evergreen shrub or small tree, commonly much branched from near the base. The bark is grey to reddish-brown and becomes fibrous or shredding with age. Adult leaves are tiny, scale-like and closely pressed against the twigs. Juvenile growth may carry more obvious needle-like leaves. The species differs strongly from common juniper, J. communis, which retains sharp needle-like foliage in whorls of three. Male and female reproductive cones are small and inconspicuous. Many trees bear predominantly one sex. The mature seed cones are fleshy and berry-like, commonly blue-brown or reddish-brown with a pale waxy bloom. They generally contain one seed, occasionally two or more. Wikipedia The combination of scale-like foliage, fleshy juniper cones, shrubby multi-trunked habit, and dry Californian desert habitat usually makes mature plants straightforward to recognize. Fruit - raw or cooked. A thick, sweet, dry, fibrous and non-resinous flesh[82, 229]. It can also be dried and ground into a powder then used as a flavouring in various dishes or eaten as a mush[36, 61, 82, 105, 257]. The fruit is produced abundantly in the wild, though it is unlikely to be freely produced in Britain[K]. The cones are about 10 - 20mm in diameter[200].
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.
Analgesic Antispasmodic Birthing aid Diaphoretic Hypotensive
The scorched twigs have been rubbed on the body in the treatment of fits[257]. The leaves are analgesic, diaphoretic and hypotensive[257]. An infusion has been used in the treatment of high blood pressure, coughs and colds and to bring relief from a hangover (the bark was also used in this case)[257]. It has also been taken by pregnant women just prior to childbirth in order to relax the muscles[257].
References More on Medicinal Uses
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Other Uses
Fuel Wood
Agroforestry uses: Junipers can serve as windbreaks or hedges and are often used for erosion control because of their extensive root systems. They also provide habitat and shelter for wildlife. Pollinators: California juniper is wind-pollinated. It produces no showy flowers, nectar, or conventional pollen reward for bees or butterflies. Male cones release pollen into the air, which is intercepted by female cones on other plants. Because many California junipers are functionally male or female, fruit production depends on compatible pollen-producing trees occurring within effective wind distance. The species' ecological value to insects comes primarily from foliage, bark, and shelter rather than floral nectar. Landscape Uses: Erosion control, Rock garden, Screen, Specimen, Street tree. Wood - soft, close grained, durable in contact with the soil. It is used for fencing and fuel[82]. 1. Nectary - Flowers rich in nectar and pollen: No – Juniper species produce small, inconspicuous flowers that do not produce significant nectar. However, they do release pollen, which can be a food source for some insects, though not in large quantities. 2. Wildlife - Food (Fruit, Seeds, Leaf litter, Shelter, Nesting, Roosting): Yes – Juniper berries (technically cones) are a food source for many birds and mammals. The dense foliage provides good shelter, and some birds may nest or roost in the branches. Juniper is also used for cover by small wildlife. 3. Invertebrate Shelter (Overwintering sites, Leaf litter, Groundcover): Yes – Juniper’s rough bark and dense foliage can provide overwintering sites for various invertebrates. Juniper leaf litter can also serve as habitat for insects and other small creatures. 4. Pest Confuser (Smell): Yes – The strong aroma of juniper, especially from its berries and leaves, can help deter certain pests. The volatile oils in juniper have natural insect-repellent properties.
Special Uses
References More on Other Uses
Cultivation details
Succeeds in most soils if they are well drained, preferring a neutral or slightly alkaline soil[1, 11, 200]. Established plants are drought tolerant, succeeding in hot dry positions[200]. A slow-growing and generally long-lived tree[229], all introductions to Britain up to now (1990) have proved tender; this plant is only really suitable for hot, dry climates[81]. Grows better in dry areas with hot summers; W. Britain is generally too cool and wet for this species to thrive[200]. The seed takes two summers to ripen[229]. 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. Juniper berries (the fleshy cones) are typically harvested in late summer to early autumn depending on the species. Junipers produce male cones in spring, while the female cones develop into berries over the summer. Growth rates vary by species, but many Junipers are considered slow to moderate growers, typically reaching maturity in 5 to 15 years, depending on environmental conditions and species. California juniper, Juniperus californica Carrière, belongs to the cypress family (Cupressaceae) and the genus Juniperus. Common names include California juniper and desert juniper. It is an accepted species native principally to California and Baja California, with its range extending into southern Nevada and northwestern Arizona. It is usually a large shrub or small tree rather than a tall forest conifer. The U.S. Forest Service describes mature plants as commonly about 1–4.5 meters tall, although exceptional individuals can reach approximately 12 meters. A mature crown may spread several meters, and unusually large specimens have reached around 12 meters across. California juniper is approximately suited to USDA Hardiness Zones 7–10, although locally adapted populations vary in cold tolerance. A typical mature landscape plant may reach about 3–8 meters tall and 3–6 meters wide, often developing multiple trunks and an irregular, broad crown. The species is particularly well adapted to dry, alkaline slopes, desert foothills, Joshua tree woodland, pinyon-juniper woodland and interior chaparral.
References Carbon Farming Information and Carbon Sequestration Information
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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]. For restoration, locally collected seed is preferable because populations may be adapted to very different winter temperatures, rainfall patterns and soil conditions. Vegetative propagation by cuttings is possible but generally more difficult than for many ornamental conifers. 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]. Birds and mammals contribute substantially to seed dispersal in the wild by eating the fleshy cones and passing or transporting the seeds. The U.S. Forest Service specifically notes animal dispersal as an important regeneration mechanism.
Other Names
If available other names are mentioned here
California juniper and desert juniper.
Native Range
NORTHERN AMERICA: United States (Arizona (west), California, Nevada (south)), Mexico (Baja California (Norte))
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.
California juniper has low weed potential in gardens, although natural woodland expansion can occur where grazing, fire exclusion and changing land management favor juniper establishment. It is slow-growing, does not spread through aggressive rhizomes and depends principally on animal-dispersed seed. Seedlings may appear beneath bird perches and around established trees, but they are easy to remove while young. Within its natural range, such recruitment is part of normal ecosystem dynamics rather than conventional weed behavior.
Conservation Status
IUCN Red List of Threatened Plants Status : Juniperus californica is listed as Least Concern.
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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 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 |
2-7
| S | LMH | SN | DM | 2 | 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 |
6-9
| S | LMH | N | DM | 3 | 0 | 3 |
| 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 | 8.0 |
5-9
| M | LMH | N | DM | 3 | 2 | 3 |
| Juniperus occidentalis | Western Juniper | Tree | 15.0 |
5-8
| S | LMH | N | DM | 2 | 2 | 3 |
| Juniperus osteosperma | Utah juniper, Desert Juniper | Tree | 8.0 |
3-7
| S | LMH | N | DM | 2 | 2 | 3 |
| Juniperus oxycedrus | Prickly Juniper, Cade juniper | Tree | 15.0 |
8-10
| M | LMH | N | DM | 0 | 1 | 3 |
| Juniperus phoenicea | Phoenician Juniper | Tree | 7.0 |
7-11
| S | LMH | SN | DM | 2 | 2 | 3 |
| 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 | Tree | 8.0 |
3-8
| S | LMH | N | DM | 2 | 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.
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Subject : Juniperus californica
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