Mullein
Verbascum thapsus
📖 About this plant
Mullein is a tall, striking biennial with fuzzy gray-green leaves and a towering flower spike. Traditionally used as a respiratory remedy, its leaves are brewed into tea for coughs, bronchitis, and sore throats, while the flowers make a soothing ear oil.
🧑🌾 Care requirements
Full sun (6-8 hrs)
Every 1-2 weeks
Low to moderate (30-50%)
5-30°C
Well-drained sandy or gravelly loam; tolerates poor, dry soils; pH 6.0-7.5
Generally not needed — thrives in poor soils; avoid rich soils which cause floppy growth
🌐 Common Names
📋 Plant facts
- 🌍 Origin
- Europe, Asia, North Africa; naturalized in North America
- 📏 Max height
- 120-200 cm
- 📐 Spread
- 30-60 cm
- 🕰️ Bloom time
- Summer
- 🎨 Bloom color
- Yellow
- 🍃 Foliage color
- Gray-Green
- ⏳ Lifespan
- Biennial
- 📈 Growth rate
- Moderate
- ☠️ Toxicity
- Non-toxic; fine hairs on leaves can irritate skin — use gloves when handling
- 🌱 Propagation
- Seed sowing in spring or autumn; self-seeds prolifically; biennial lifecycle
🛡️ Health & Safety
Non-toxic; fine hairs on leaves can irritate skin — use gloves when handling
Common issues
- Powdery mildew on leaves
- Spider mites
- Root rot in wet soil
- Self-seeds prolifically
💡 Care tips
- Tall fuzzy flower spikes reach 6 feet or more
- Leaves are traditionally used in herbal cough remedies
- Biennial that produces a rosette the first year then flowers
- Self-seeds freely and naturalizes easily in open areas
