🌿 Oregano

Origanum vulgare
herbs Perennial herb Lamiaceae
Oregano plant photo
☀️ Sun
Full sun; 6-8 hours daily. Flavor intensifies with more sun.
💧 Water
Allow soil to dry between waterings; drought-tolerant once established. Overwatering causes root rot.
🗺️ Zones
USDA zones 4-10 as perennial; can be grown as annual anywhere
🧪 Soil pH
6.0-8.0 (prefers alkaline, well-drained soil; tolerates poor, rocky soil)
🪴 Soil Type
Well-draining, sandy or loamy soil; pH 6.0-8.0. Tolerates poor soil. Good drainage essential.
📏 Spacing
12-18 inches apart
📐 Height
12-24 inches
⏱️ Maturity
80-90 days from seed

🍴 Edible Parts

🍽️ Leaves 🍽️ Flowers
Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone

🤝 Companions (15)

Mutual pest deterrence; both aromatic herbs repel different pest species.
Oregano's strong scent masks bean plants from pests.
Oregano's strong aroma masks peppers from pests; attracts pollinators when flowering.
Repels cabbage moths and cabbage white butterflies.
Oregano repels cucumber beetles with its aromatic oils; low-growing ground cover.
Traditional companion in Mediterranean vineyards; may help deter pests.
Oregano shares similar growing conditions with holy basil; aromatic oils complement pest deterrence.
Oregano deters aphids and spider mites from peppers; both thrive in warm, well-drained soil.
Close relatives that thrive together with similar care needs.
Oregano's aromatic oils repel squash pests; attracts beneficial insects.
Oregano's dense growth suppresses weeds around sweet potatoes; pest-repelling oils.
Repels pests that attack tomatoes; improves flavor when planted nearby.
Oregano repels squash bugs and attracts pollinators; Mediterranean herb companion.

⚠️ Keep Apart (1)

⚠️ Water-loving herbs
Oregano prefers drier soil; overwatering from companion plants can cause root rot.

💊 Medicinal Uses

Conditions Treated

💊 Respiratory infections (coughs, bronchitis, asthma, sore throat) 💊 Digestive disorders (indigestion, bloating, gas) 💊 Bacterial and fungal infections (strong antimicrobial) 💊 Inflammation and joint pain (anti-inflammatory) 💊 Menstrual cramps (antispasmodic) 💊 Cold and flu symptoms 💊 Parasitic infections (antiparasitic properties) 💊 Oral health (gingivitis, mouth ulcers)

Preparation Methods

  • Tea/Infusion: 1-2 tsp dried herb steeped 10 minutes; for coughs, colds, digestive issues
  • Oil of oregano: Steam-distilled essential oil; 1-3 drops in carrier oil for topical infections
  • Tincture: 1:5 in 45% alcohol; 1-2ml 3x daily for respiratory/digestive infections
  • Gargle: Strong infusion used as antimicrobial mouthwash for sore throat and oral health
  • Steam inhalation: Few drops of oil in hot water for respiratory congestion
  • Poultice: Crushed leaves applied to fungal skin infections

Active Compounds

⚗️ Carvacrol ⚗️ Thymol ⚗️ Rosmarinic acid ⚗️ Ursolic acid ⚗️ β-caryophyllene

⚠️ Safety

Oil of oregano is very potent , ALWAYS dilute before topical use. May irritate mucous membranes. Avoid medicinal doses during pregnancy (may stimulate uterine contractions). May interact with blood thinners and diabetes medications. Not for long-term internal use of essential oil.

📜 History & Folklore

🏛️ Ancient

Ancient Greeks used oregano for wounds and poisons; name means 'joy of the mountain' (oros ganos). Hippocrates used it as an antiseptic. Romans spread its use throughout Europe.

🏰 Medieval

Used in medieval European medicine as a 'warming' herb for colds and coughs. Strewn on floors as a disinfectant. Hildegard von Bingen recommended it for 'internal rottenness' and skin conditions.

🌿 Folk Medicine

Traditional Mediterranean remedy for respiratory and digestive ailments. Used as a preservative before refrigeration. Appalachian folk medicine uses oregano tea for colds, coughs, and menstrual cramps.

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