Oregano

Family

Lamiaceae

Habit

perennial

Height

0.6 m

Spread

0.6 m

Growth

medium

Lifespan

10 years

First yield

after 1 year

Hardiness

zone 5–9

Shade tolerance

partial shade

Soil

Sand, Silt, Loam

Soil moisture

dry – very moist

pH

6 – 8

Times apply to the northern hemisphere in a temperate climate and shift with altitude and cultivar.

Edible: Blätter – roh oder gekocht als Küchenkraut. Oregano ist ein wichtiges Würzkraut in der mediterranen Küche und wird oft getrocknet statt frisch verwendet. Die Blätter dienen als Gewürz für Salatdressings, Gemüse und Hülsenfrüchte und werden häufig in stark gewürzten Gerichten mit Chili, Knoblauch, Zwiebeln usw. verwendet. verwendet. Eine Nährwertanalyse ist verfügbar. Die Blüten, die normalerweise im späten Frühjahr erscheinen, sind essbar. Ein Großteil des im Handel erhältlichen getrockneten Oregano stammt nicht von dieser Pflanze, sondern von einer Reihe verschiedener, oft nicht verwandter Pflanzen. Dazu gehören Lippiagraveolens, L. palmeri und Origanum syriacum. Aus den getrockneten Blättern und Blütenstängeln wird ein Kräutertee zubereitet.

Medicinal: Oregano has been used for thousands of years as a culinary and medicinal herb. It has positive effects on digestion and the respiratory system. Pregnant women should avoid using it as a medicinal plant, although it is completely safe in small amounts for culinary purposes. The leaves and flower stems have strong antiseptic, antispasmodic, carminative, cholagogue, diaphoretic, emmenagogue, expectorant, stimulant, stomachic, and mildly tonic properties. Internally, the plant is taken to treat colds, flu, mild febrile conditions, digestive issues, stomach upsets, and menstrual pains. It has a strong calming effect and should not be taken in large doses, although mild teas have a calming effect and promote restful sleep. Pregnant women should not use Oregano. Externally, Oregano is applied to treat bronchitis, asthma, arthritis, and muscle pains. The plant can be used fresh or dried – harvest the entire plant (but not the roots) in late summer to dry and store for winter. Oregano is often used in the form of an essential oil distilled from the flowering plant. A few drops of the essential oil, dripped onto cotton and placed in the cavity of a painful tooth, often relieve toothaches. Due to its high thymol content, this plant is one of the best natural antiseptics. The essential oil is used in aromatherapy to treat the same ailments as the herb.

Other uses: Agroforestry Applications: Oregano can be used as a companion plant to attract beneficial insects and improve the health of surrounding plants. It can also help deter certain pests. The plant's essential oil is used as a food flavoring, in soaps, and perfumes. The herb contains 0.15 - 0.4% essential oil and is suitable for herbal pillows and baths. It was previously used as a scattering herb. The essential oil has been used to kill lice, but caution is advised as it can cause skin irritations. A red or violet dye is extracted from the flower tips, although it is neither bright nor long-lasting. The plant repels ants. The growing plant deters many pests, making it suitable for vegetable cultivation. A useful ground cover for sunny locations, forming a slowly spreading clump. Plants should be spaced about 30 cm apart in each direction. 1. Nectar - Nectar-rich flowers: Yes - Oregano produces small, nectar-rich flowers that attract various pollinators like bees and butterflies. 2. Wildlife - Food (fruits, seeds, leaf litter, shelter, nesting site, roosting site): Yes - While Oregano itself does not produce significant fruits or seeds, the leaves are edible and nutritious for humans and may have some food value for wildlife. Its dense foliage can provide shelter but is not typically used for nesting. 3. Protection for Invertebrates (overwintering sites, leaf litter, ground cover): Yes - Oregano can provide habitat for beneficial insects and contribute to ground cover. Its structure can provide support for some invertebrates, and the leaf litter can offer overwintering sites for various organisms. 4. Pest Confuser (smell): Yes - Oregano has a strong aromatic scent that can help confuse or deter some pests, making it useful in mixed plantings.

Landscaping: Borders, pots, ground cover, rock gardens, coastal areas. Requires a rather dry, warm, well-drained soil in full sun, but not picky about soil type and thrives on chalk. Prefers slightly alkaline conditions. Tolerates poor soils. Dislikes wet soils. Hardy to about -20°C. Oregano has a long tradition in cuisine and medicine, often grown as a culinary herb in modern gardens; there are some named varieties. Plants growing near the sea have the strongest scent. A good companion plant that enhances the taste of neighboring plants. The flowers are very attractive to bees and butterflies. A good companion for the cucumber family, beneficial to all nearby plants. The entire plant has a sweet, slightly peppery aroma. Members of this genus are rarely if ever bothered by browsing deer. Special features: Attractive foliage, Fragrant leaves, Non-native to North America, Attracts butterflies, Suitable for cut flowers, Suitable for dried flowers, Fragrant flowers. When designing a garden and the above-ground architecture of a plant, considerations of root structure are helpful in selecting plants that work together for their optimal soil needs, including nutrients and water. The root pattern is rhizomatous with underground stems that send out roots and shoots along their length. Oregano is self-fertile. Oregano is usually harvested in late spring to summer, just before the plant begins to bloom. Oregano generally blooms from late summer to early autumn. Oregano grows relatively quickly and is mature in about 2-3 months under optimal conditions.

Oregano can be propagated three ways, and all three come easily. Sow in early spring at 10 to 13 degrees; the seed needs light, so press it in rather than covering it. Germination follows in about two weeks. From May onwards it can also be sown directly where it is to grow. Since the species self-seeds freely, seedlings for transplanting turn up around older plants anyway. Division in March or October is the surest way to keep an aromatic provenance — seedlings vary in oil content. Basal cuttings are taken in June from young, non-flowering shoots with as much underground stem as possible; they root reliably in partial shade. A clump also creeps slowly outwards on its own by rhizome.

Oregano is among the most valuable insect plants that double as a culinary herb. Thirty wild bee species have been recorded at its pale pink to violet flower heads, which appear from July to September, two of them specialists on it. The nectar is exceptionally rich in sugar — up to 76 per cent — which makes it particularly attractive to butterflies: 56 species visit the flowers, among them the gatekeeper and the marbled white. As a larval food plant the leaves feed 17 species, two of which are more closely tied to it. Add to that 14 hoverfly species and one beetle. Visitor numbers peak around one in the afternoon. Anyone wanting both a harvest and insect value should let some plants flower through rather than cutting them all before bloom.

Oregano is among the most valuable insect plants that also serve as a culinary herb: 30 wild bee species have been recorded at its midsummer flower heads, two of them specialists, 56 butterfly and moth species as flower visitors, and 17 species that use it as larval food — two of those closely tied to it. That puts it well ahead of most ornamental perennials. It is undemanding in cultivation but wants sun and calcareous, free-draining soil; it tolerates drought excellently and waterlogging not at all. The Greek subspecies hirtum is regarded as the most aromatic form. Anyone wanting both a harvest and insect value should let some plants flower through rather than cutting them all before bloom.

Europe, western and northern Asia, north-west Africa. Common oregano is spread across almost all of Europe — Iceland being the exception, while scattered occurrences reach as far as Svalbard — and continues through western and northern Asia to north-west Africa. In Germany it is common and widespread. In the Alps it climbs to 2,030 metres in the Valais. The subspecies hirtum, Greek oregano, has a distinctly narrower range: it occupies south-eastern Europe through to Turkey and counts as the most aromatic form of the species — plants sold as culinary oregano usually trace back to it, whereas the Central European wild marjoram tastes milder.

Oregano grows along paths, at woodland edges and in hedges, in open oak and pine woods, on sunny slopes and in semi-dry grassland. It is a character species of the Central European fringe communities of the order Origanetalia vulgaris — the vegetation, that is, occupying the transition between woodland and open ground. Calcareous substrate is what it prefers, and its sites are warm, dry and moderately supplied with nutrients. On the Landolt indicator scale it sits at moderate dryness, tolerates partial shade, and favours neutral to weakly basic soils in submontane positions. It will not take waterlogging, and in shade it stays stunted.