Sweet Marjoram (Origanum majorana)

Sweet Marjoram

Origanum majorana

Its tiny leaves release warm, herbal sweetness when crushed. Aromatic perennial herb; common name: sweet marjoram.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; thrives in bright, direct sunlight for most of the day; tolerate light shade in extreme heat
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Watering Water when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot in poorly drained substrates
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Temperature Tolerates mild frost down to 5°C but prefers warm, temperate conditions; protect from hard freezes below 0°C
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Characteristics

  • Leaf: Small, oval, gray-green, soft-textured leaves arranged oppositely on slender stems
  • Flower: Clusters of tiny white to pale pink tubular flowers in dense terminal spikes
  • Stem: Slender, branching stems with woody basal growth and green, tender upper shoots
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; water deeply when topsoil dries out

Fertilization

Diluted organic feed every 4 weeks. Use balanced, low-nitrogen fertilizer to promote leaf growth and flowering without excessive stem elongation

Eggshell powder topdress:Crush dried eggshells into fine powder; dust lightly on soil surface to boost calcium levels and improve soil drainage; avoid direct contact with plant stems
Pruning
  • Pinch back young stem tips to encourage bushy, compact growth
  • Remove spent flower spikes to redirect energy to foliage production
  • Trim woody basal growth in early spring to promote new, tender leafy shoots
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic to cats; no known adverse effects

Humans: Non-toxic to humans; safe for culinary and topical use in typical quantities

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Garden Uses & Culture

Culture: Associated with love and happiness in Mediterranean folklore; used in traditional wedding garlands

Usage: Culinary herb for seasoning meats, soups, and salads; aromatic ornamental for garden borders and container displays