Ledum
GREENS, HERBS AND FOUGERES / floral · green · aromatic
Ledum
| Category | GREENS, HERBS AND FOUGERES |
| Subcategory | floral · green · aromatic |
| Origin | |
| Volatility | Heart Note |
| Botanical | Rhododendron tomentosum (syn. Ledum palustre) |
| Appearance | Colorless to pale yellow liquid |
| Odor Strength | Medium |
| Producing Countries | Europe, North America |
| Pyramid | Heart |
A botanical note used in perfumery for its particular aromatic character. Part of the natural perfumer's palette.
Scent
Evolution over time
Immediately
Immediately
Initial aromatic impression, characteristic note
After a few hours
After a few hours
Developing complexity
After a few days
After a few days
Subtle residual trace
Terroir & Transformation
Indicative 2025 wholesale prices.
The Full Story
Did You Know?
Did you know?
Lesser-known botanicals like ledum represent the vast diversity of aromatic plants that exists beyond the 50-100 ingredients that dominate commercial perfumery.
Extraction & Chemistry
Extraction method: Extraction data not independently verified for this specific material.
↑ See Terroir & Origins for origin-specific methods.
| Molecular Formula | Complex mixture: ledol (C₁₅H₂₆O), palustrol (C₁₅H₂₆O), myrcene (C₁₀H₁₆) |
| CAS Number | 90063-39-1 |
| Botanical Name | Rhododendron tomentosum (syn. Ledum palustre) |
| IFRA Status | No known restrictions |
| Synonyms | RHODODENDRON · WILD ROSEMARY |
| Physical Properties | |
| Odor Strength | Medium |
| Appearance | Colorless to pale yellow liquid |
| Specific Gravity | 0.900–0.930 @ 20 °C |
In Perfumery
Ledum functions as a modifier in niche compositions, adding botanical specificity and naturalistic character. Its role is supportive rather than structural.