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Oregano

Origanum vulgare

herb

Oregano is a hardy perennial herb with small, aromatic leaves that are a staple in Mediterranean cuisine. It produces delicate flowers ranging from white to pink and is extremely drought-tolerant once established. The plant grows as a low spreading shrub and can be harvested continuously throughout the growing season.

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Greek Oregano Italian Oregano Golden Oregano Variegated Oregano Syrian Oregano Cretan Oregano

Growing Conditions

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Sun: Full sun, 6-8 hours daily (tolerates partial shade)

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Water: Moderate water needs; allow soil to dry between waterings. Once established, very drought-tolerant. Overwatering causes root rot.

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Spacing: 12 inches

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Days to maturity: 60-90 days to first harvest from seed; faster from transplants (30-45 days)

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Planting depth: Surface sow or barely cover seeds; 0.25 inches

Soil

Type: Well-draining loamy to sandy soil

pH: 6.0-7.0

Amendments:

Compost Perlite or sand for drainage Gravel mulch

Growing Zones

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Thrives in zones 4-11, with best performance in zones 5-9

4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a

Growth Stages

Seedling

2-3 weeks

Tiny seedlings with cotyledons emerge; slow initial growth

Keep soil consistently moist but not waterlogged. Provide 12-14 hours of light daily. Thin seedlings to 12 inches apart.

Vegetative Growth

4-8 weeks

Plant develops multiple stems and spreads outward; small true leaves are aromatic and gray-green

Pinch growing tips to encourage bushier growth. Reduce watering frequency as plant matures. Fertilize lightly every 3-4 weeks with balanced fertilizer.

Establishment

4-6 weeks

Plant becomes woody at the base and forms a dense, spreading mound 12-18 inches tall and wide

Reduce watering; plant is becoming drought-tolerant. Weed carefully to avoid disturbing roots. Mulch around base to suppress weeds.

Flowering

6-8 weeks

Small white, pink, or purple flowers appear in terminal spikes; flowering occurs mid to late summer

Allow some flowers to remain for pollinator benefit and seed production. Harvest leaves before flowers fully open for strongest flavor.

Harvest & Perennial Dormancy

Continuous through growing season; dormant in winter (zones 4-7)

Foliage remains harvestable through fall; plant dies back or becomes evergreen depending on zone; regrows from roots in spring

Harvest leaves anytime during growing season. In fall, cut back to 6 inches above ground to prepare for winter. In warmer zones, it may remain semi-evergreen.

Companion Planting

Plan your garden →

Plant with:

Basil Thyme Sage Rosemary Marjoram Lavender Tomato Pepper Brassicas

Common Pests

Spray with water to dislodge; use neem oil or insecticidal soap if severe; increase humidity
Use yellow sticky traps; spray with insecticidal soap or neem oil; encourage beneficial insects
Improve air circulation; avoid overhead watering; apply sulfur or baking soda spray; remove affected leaves
Ensure well-draining soil; reduce watering frequency; remove affected plants; repot in fresh soil

Uses

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Italian & Mediterranean Cooking

Culinary

Oregano is essential in Italian pasta sauces, pizzas, Greek salads, and Mediterranean dishes. Both fresh and dried leaves are used, with dried oregano offering more concentrated flavor. [source]

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Digestive & Antimicrobial Support

Medicinal

Oregano contains carvacrol and thymol, compounds with antimicrobial and anti-inflammatory properties. Traditionally used as a tea to aid digestion and support respiratory health. [source]

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Essential Oil & Natural Cleaning

Household

Oregano essential oil is used in natural cleaning products and aromatherapy. The plant's strong antimicrobial properties make it valuable for household applications. [source]

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Herb Blends & Spice Mixes

Culinary

Oregano is a key component of Italian seasoning, Greek seasoning, and za'atar blends. It pairs well with olive oil for infused dressings. [source]

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Pollinator Support

Wildlife

The small flowers attract bees, butterflies, and other beneficial pollinators, making oregano valuable in pollinator gardens. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Begin pinching leaves when plant is 6 inches tall. Harvest in the morning after dew dries for peak essential oil content. Cut stems back to healthy leaves; never remove more than one-third of the plant at once. Continuous harvesting promotes bushier growth. For winter storage, harvest before first frost and hang-dry or freeze in oil.

Fun Facts

🌱 Oregano's name comes from Greek words meaning 'mountain joy' (oros meaning mountain, and ganos meaning joy), as it naturally grows on Mediterranean hillsides.
🌱 The stronger the sunlight and the drier the conditions, the more concentrated the essential oils in oregano leaves, making sun-stressed plants more flavorful.
🌱 Oregano is one of the few herbs that actually becomes more flavorful when dried than when fresh, as the drying process concentrates its volatile oils.

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