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Plant guide

Sweet Marjoram.

Origanum majorana

Pronounced oh-RIG-uh-num mah-jor-AY-nuh

Also known as Marjoram, Pot Majoram, Pot Marjoram, Pot Marjorum, Sweet marjoram

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Sweet Marjoram
Photo by Andrea Meucci (CC BY-SA) via iNaturalist

Sweet marjoram is a lovely, fragrant herb that brings a sweet, piney flavor to your kitchen. It is a tender perennial that loves a sunny spot in your garden or on a windowsill. You will find it is a wonderful addition to any culinary collection.

At a glance

Care level
Easy
Plant type
Herb
Light
Full sun
Indoor light
Direct sun
Water
Every 3 to 7 days
Mature size
1 to 2 feet
Growth rate
Medium
Hardiness
USDA 9 to 11
Bloom time
Mid to late summer

Care

Give this herb plenty of sunshine and well draining soil to keep it happy. Watch for wilting leaves as a sign that it needs a drink. Ensure good air circulation to prevent fungal issues.

Watering
Water when the top inch of soil feels dry to the touch.
Feeding
Feed lightly with a balanced liquid fertilizer during the growing season.
Pruning
Regularly pinch back the tips to encourage a bushy shape and prevent flowering.
Repotting
Repot when the roots begin to crowd the container.
Soil
Well draining, sandy loam
Soil pH
6.5 to 7.5
Temperature
5 to 30°C
Humidity
40 to 60%
Drought tolerance
Moderate
Lifespan
Short-lived perennial, often grown as an annual.
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.

Safety

People
It is generally safe for human consumption when used as a culinary herb.
Children
The plant is non-toxic, but small children should be supervised to prevent choking on small leaves or stems.
Contact allergens
Some individuals may experience mild skin irritation from the essential oils in the leaves.
Airborne allergens
Pollen may cause mild reactions in highly sensitive individuals during the flowering stage.
Edibility
Always ensure you have correctly identified the plant before consuming, as some lookalikes can be toxic.

How to identify it

  • Small, oval, grayish green leaves
  • Soft, fuzzy leaf texture
  • Tiny white or pink flowers
  • Strong, sweet, aromatic scent
Height
0.3 to 0.6m
Spread
0.3 to 0.45m
Leaves
gray-green, deciduous
Flowers
white, pink, 0.5 to 1cm

Problems to watch for

  • Root rot · This occurs when the soil stays too wet for too long.
  • Aphids · Small insects that cluster on new growth and suck sap.

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Growing it

Propagation
seed, cuttings, division
When to plant
spring
Overwintering
In cold climates, bring containers indoors or treat the plant as an annual. If in a mild climate, mulch lightly to protect the roots from frost.
In containers
It grows very well in containers, provided the pot has excellent drainage and is at least 20 centimeters wide.

Seed Sowing

  1. 1. Surface sow seeds in a seed tray.
  2. 2. Keep the soil moist but not waterlogged.
  3. 3. Provide bright, indirect light until germination.

Planting marjoram near other Mediterranean herbs helps create a cohesive, low-water garden bed.

Grows well with

  • Basil · They share similar water and light requirements.
  • Thyme · Both are Mediterranean herbs that prefer well-drained soil.

Similar species

  • Oregano · It is a close relative with a stronger, more pungent flavor.

Science

Family
Lamiaceae
Genus
Origanum
Order
Lamiales
Class
Magnoliopsida
Native range
Mediterranean region and North Africa
Conservation
This plant is common and not of conservation concern.

It thrives in rocky, well-drained soils in sunny, open areas.

Value to wildlife
nectar source
Pollinators
bees, butterflies
Uses
culinary herb, container gardening, pollinator garden

Through the year

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Flowering
Fruiting
Foliage

Ecological indicators

Salinity
2/9
Soil reaction
6/9
Light
8/9
Temperature
7/9
Moisture
4/9
Nutrients
4/9

Taxonomy resolved against GBIF.

Questions people ask

Is marjoram the same as oregano?
No, they are different species with distinct flavor profiles, though they are closely related.
Can I grow marjoram indoors?
Yes, it grows well on a sunny windowsill with good air circulation.

Where the name comes from

The genus name Origanum comes from the Greek words for mountain and joy. The common name marjoram is derived from the Old French word majorane.

Good to know

  • Marjoram is a key ingredient in many Mediterranean spice blends.
  • The plant is often treated as an annual in colder climates.
  • It is closely related to oregano but has a much sweeter, milder flavor.
  • Ancient Greeks believed that marjoram was created by Aphrodite.

Also in

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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.