Plant guide
Oregano.
Origanum vulgare
Pronounced oh-RIG-uh-num vul-GAH-ree
Also known as Oregano
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Oregano is a hardy, aromatic herb that brings a wonderful Mediterranean flavor to your kitchen. It thrives in sunny spots and is quite easy to grow in pots or garden beds. You'll love how its small, flavorful leaves add a punch to your favorite dishes.
At a glance
- Care level
- Easy
- Plant type
- Perennial herb
- Light
- Full sun
- Indoor light
- Direct sun
- Water
- Every 5 to 10 days
- Mature size
- 1 to 2 feet
- Growth rate
- Medium
- Hardiness
- USDA 4 to 9
- Bloom time
- Mid to late summer
Care
Plant your oregano in well draining soil and let it dry out between waterings to prevent root issues. Watch for yellowing leaves, which often signal that the soil is staying too wet. Regular harvesting keeps the plant bushy and encourages fresh, flavorful growth.
- Watering
- Allow the top inch of soil to dry out completely before watering again.
- Feeding
- Apply a balanced liquid fertilizer sparingly during the active growing season.
- Pruning
- Pinch back the stems regularly to encourage a fuller, bushier plant.
- Repotting
- Repot when the roots become crowded or the plant stops growing vigorously.
- Soil
- Well draining, sandy or loamy soil
- Soil pH
- 6.0 to 8.0
- Temperature
- -25 to 35°C
- Humidity
- 30 to 60%
- Drought tolerance
- High
- Lifespan
- Perennial, typically 3 to 5 years.
- Fragrance
- Strong
- Deer and rabbits
- High
Signs it needs repotting
- Roots growing out of the drainage holes.
- Water running straight through the pot without soaking in.
- Stunted growth during the active season.
Safety
- People
- This plant is generally considered non toxic to humans when consumed in culinary amounts.
- Pets
- The ASPCA lists this plant as toxic to cats and dogs. Its essential oils can cause vomiting and diarrhea if pets eat the leaves, though symptoms are usually mild.
- Children
- The plant is safe for children, though small parts could pose a minor choking hazard if ingested.
- Contact allergens
- Some individuals may experience mild skin irritation from the essential oils in the leaves.
- Airborne allergens
- The pollen is generally not considered a major allergen.
- Edibility
- Ensure you are harvesting Origanum vulgare and not a toxic lookalike, as some plants with similar common names are not culinary herbs.
How to identify it
- Small, oval, dark green leaves
- Tiny white or pink flowers
- Strong, spicy, and aromatic scent
- Low growing, spreading habit
- Height
- 0.3 to 0.6m
- Spread
- 0.3 to 0.45m
- Leaves
- dark green, semi-evergreen
- Flowers
- pink, purple, white, 0.5 to 1cm
Problems to watch for
- AphidsCommon
- Root RotCommon
- Powdery MildewUncommon
- Spider MitesUncommon
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Growing it
- Propagation
- division, seed, cuttings
- When to plant
- spring, autumn
- Overwintering
- Cut back dead foliage in late autumn. In colder regions, a light layer of mulch can help protect the roots from extreme frost.
- In containers
- Oregano grows very well in containers, provided they have excellent drainage and at least a 20 cm diameter.
Division
- 1. Dig up the entire plant in spring.
- 2. Gently pull the root clump into smaller sections.
- 3. Replant the divisions in fresh soil.
- 4. Water thoroughly.
Plant oregano near vegetables to help mask their scent from pests.
Grows well with
Similar species
- Sweet Marjoram · It is a close relative with a sweeter, milder flavor profile.
Science
- Family
- Lamiaceae
- Genus
- Origanum
- Order
- Lamiales
- Class
- Magnoliopsida
- Native range
- Europe, Mediterranean region, and parts of Asia.
- Conservation
- It is a common, widespread species and is not currently of conservation concern.
It grows in well drained, rocky soils and spreads via underground rhizomes to colonize open, sunny areas.
- Value to wildlife
- nectar source
- Pollinators
- bees, butterflies
- Uses
- culinary herb, ground cover, pollinator garden, container plant
Through the year
Ecological indicators
- Salinity
- 2/9
- Soil reaction
- 6/9
- Light
- 7/9
- Temperature
- 5/9
- Moisture
- 4/9
- Nutrients
- 4/9
Taxonomy resolved against GBIF.
Questions people ask
- Does oregano need full sun?
- Yes, it thrives in full sun to produce the best flavor.
- How often should I water it?
- Water when the top inch of soil feels dry to the touch.
Where the name comes from
The scientific name Origanum vulgare translates to common mountain joy, reflecting its native habitat and culinary appeal.
Good to know
- The name oregano comes from the Greek words oros, meaning mountain, and ganos, meaning joy.
- Oregano was once known as wild marjoram.
- It is a member of the mint family, Lamiaceae.
- Dried oregano is often more potent than fresh leaves.
Also in
Keep your oregano growing
This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.
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This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.
