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Rosa canina - L.
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Common Name
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Dog Rose
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Family
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Rosaceae
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Synonyms
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Known Hazards
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There is a layer of hairs around the seeds just beneath the flesh of the fruit. These hairs can cause irritation to the mouth and digestive tract if ingested.
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Habitats
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Hedges, scrub, woods, roadsides, banks etc[9].
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Range
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Europe, including Britain, from Norway south and east to N. Africa and southwest Asia.
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Edibility Rating
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Medicinal Rating
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Care
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Physical Characteristics
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Rosa canina is a deciduous Shrub growing to 3 m (9ft) by 3 m (9ft) at a fast rate.
It is hardy to zone 3. It is in flower from Jun to July, and the seeds ripen from Oct to December. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, flies, beetles, lepidoptera, self, apomictic.The plant is self-fertile.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil. The plant can tolerates strong winds but not maritime exposure.
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http://commons.wikimedia.org/wiki/File:Illustration_Rosa_canina1.jpg |
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| biolib.de |
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Habitats
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Woodland Garden Sunny Edge; Dappled Shade; Hedge; Bog Garden;
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Edible Uses
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Edible Parts: Flowers; Fruit; Seed.
Edible Uses: Coffee; Tea.
Fruit - raw or cooked[2, 4, 13]. It can be used in making delicious jams, syrups etc[7]. The syrup is used as a nutritional supplement, especially for babies[238]. The fruit can also be dried and used as a tea[9, 12, 183]. Frost softens and sweetens the flesh[12]. The fruit is up to 30mm in diameter[200], but there is only a thin layer of flesh surrounding the many seeds[K]. Some care has to be taken when eating this fruit, see the notes above on known hazards. The seed is a good source of vitamin E[102], it can be ground and mixed with flour or added to other foods as a supplement. Be sure to remove the seed hairs[102]. The dried leaves are used as a tea substitute[46, 61, 183]. A coffee substitute according to another report[7]. Petals - raw or cooked[177]. The base of the petal may be bitter so is best removed[183]. Eaten as a vegetable in China[66]. The petals are also used to make an unusual scented jam[7].
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Medicinal Uses
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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.
Antirheumatic; Astringent; Bach; Cancer; Carminative; Diuretic; Laxative; Ophthalmic; Tonic; Vermifuge; Vitamin C.
The petals, hips and galls are astringent, carminative, diuretic, laxative, ophthalmic and tonic[7, 9, 14, 21, 165]. The hips are taken internally in the treatment of colds, influenza, minor infectious diseases, scurvy, diarrhoea and gastritis[238]. A syrup made from the hips is used as a pleasant flavouring in medicines and is added to cough mixtures[238]. A distilled water made from the plant is slightly astringent and is used as a lotion for delicate skins[7]. The seeds have been used as a vermifuge[7]. The plant is used in Bach flower remedies - the keywords for prescribing it are 'Resignation' and 'Apathy'[209]. The fruit of many members of this genus is a very rich source of vitamins and minerals, especially in vitamins A, C and E, flavanoids and other bio-active compounds. It is also a fairly good source of essential fatty acids, which is fairly unusual for a fruit. It is being investigated as a food that is capable of reducing the incidence of cancer and also as a means of halting or reversing the growth of cancers[214]. Ascorbic acid in Dog Rose shells (vitamin C, 0.2 to 2.4%).
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Other Uses
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Hedge; Hedge.
Plants make a dense and stock-proof hedge, especially when trimmed[186].
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Cultivation details
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Succeeds in most soils[11, 200]. Grows well in heavy clay soils. Prefers a circumneutral soil and a sunny position with its roots in the shade[11, 200]. When grown in deep shade it usually fails to flower and fruit[186]. Succeeds in wet soils but dislikes water-logged soils or very dry sites[186]. Tolerates maritime exposure[186]. The fruit attracts many species of birds, several gall wasps and other insects use the plant as a host[186] A very polymorphic species, it is divided into a great number of closely related species by some botanists[1, 17]. The leaves, when bruised, have a delicious fragrance[245]. The flowers are also fragrant. Grows well with alliums, parsley, mignonette and lupins[18, 20]. Garlic planted nearby can help protect the plant from disease and insect predation[18, 20]. Grows badly with boxwood[18]. Hybridizes freely with other members of this genus[80]. Plants in this genus are notably susceptible to honey fungus[200].
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Propagation
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Seed. Rose seed often takes two years to germinate. This is because it may need a warm spell of weather after a cold spell in order to mature the embryo and reduce the seedcoat[80]. One possible way to reduce this time is to scarify the seed and then place it for 2 - 3 weeks in damp peat at a temperature of 27 - 32°c (by which time the seed should have imbibed). It is then kept at 3°c for the next 4 months by which time it should be starting to germinate[80]. Alternatively, it is possible that seed harvested 'green' (when it is fully developed but before it has dried on the plant) and sown immediately will germinate in the late winter. This method has not as yet(1988) been fully tested[80]. Seed sown as soon as it is ripe in a cold frame sometimes germinates in spring though it may take 18 months. Stored seed can be sown as early in the year as possible and stratified for 6 weeks at 5°c[200]. It may take 2 years to germinate[200]. Prick out the seedlings into individual pots when they are large enough to handle. Plant out in the summer if the plants are more than 25cm tall, otherwise grow on in a cold frame for the winter and plant out in late spring. Cuttings of half-ripe wood with a heel, July in a shaded frame. Overwinter the plants in the frame and plant out in late spring[78]. High percentage[78]. Cuttings of mature wood of the current seasons growth. Select pencil thick shoots in early autumn that are about 20 - 25cm long and plant them in a sheltered position outdoors or in a cold frame[78, 200]. The cuttings can take 12 months to establish but a high percentage of them normally succeed[78]. Division of suckers in the dormant season. Plant them out direct into their permanent positions. Layering. Takes 12 months[11].
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 You can download this page as a PDF
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Botanical References
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1117200
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Links / References
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[K] Ken Fern Notes from observations, tasting etc at Plants For A Future and on field trips.
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[1]F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956
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Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
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[2]Hedrick. U. P. Sturtevant's Edible Plants of the World.
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Lots of entries, quite a lot of information in most entries and references.
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[4]Grieve. A Modern Herbal.
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Not so modern (1930's?) but lots of information, mainly temperate plants.
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[7]Chiej. R. Encyclopaedia of Medicinal Plants.
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Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
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[9]Launert. E. Edible and Medicinal Plants.
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Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
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[11]Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
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A classic with a wealth of information on the plants, but poor on pictures.
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[12]Loewenfeld. C. and Back. P. Britain's Wild Larder.
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A handy pocket guide.
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[13]Triska. Dr. Hamlyn Encyclopaedia of Plants.
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Very interesting reading, giving some details of plant uses and quite a lot of folk-lore.
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[14]Holtom. J. and Hylton. W. Complete Guide to Herbs.
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A good herbal.
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[17]Clapham, Tootin and Warburg. Flora of the British Isles.
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A very comprehensive flora, the standard reference book but it has no pictures.
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[18]Philbrick H. and Gregg R. B. Companion Plants.
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Details of beneficial and antagonistic relationships between neighbouring plants.
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[20]Riotte. L. Companion Planting for Successful Gardening.
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Fairly good.
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[21]Lust. J. The Herb Book.
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Lots of information tightly crammed into a fairly small book.
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[46]Uphof. J. C. Th. Dictionary of Economic Plants.
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An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
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[61]Usher. G. A Dictionary of Plants Used by Man.
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Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
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[66]Freethy. R. From Agar to Zenery.
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Very readable, giving details on plant uses based on the authors own experiences.
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[78]Sheat. W. G. Propagation of Trees, Shrubs and Conifers.
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A bit dated but a good book on propagation techniques with specific details for a wide range of plants.
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[80]McMillan-Browse. P. Hardy Woody Plants from Seed.
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Does not deal with many species but it is very comprehensive on those that it does cover. Not for casual reading.
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[102]Kavasch. B. Native Harvests.
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Another guide to the wild foods of America.
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[165]Mills. S. Y. The Dictionary of Modern Herbalism.
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An excellent small herbal.
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[177]Kunkel. G. Plants for Human Consumption.
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An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.
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[183]Facciola. S. Cornucopia - A Source Book of Edible Plants.
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Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
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[186]Beckett. G. and K. Planting Native Trees and Shrubs.
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An excellent guide to native British trees and shrubs with lots of details about the plants.
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[200]Huxley. A. The New RHS Dictionary of Gardening. 1992.
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Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
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[209]Chancellor. P. M. Handbook of the Bach Flower Remedies
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Details the 38 remedies plus how and where to prescribe them.
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[214]Matthews. V. The New Plantsman. Volume 1, 1994.
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A quarterly magazine, it has articles on Himalayacalamus hookerianus, hardy Euphorbias and an excellent article on Hippophae spp.
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[238]Bown. D. Encyclopaedia of Herbs and their Uses.
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A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
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[245]Genders. R. Scented Flora of the World.
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An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.
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