Blue Tansy (Tanacetum annuum) is a floral essential oil with a sweet, herbal aroma and a heart note. Steam distillation from flowering tops, it is a versatile blending oil that pairs well with Lavender, Helichrysum, Frankincense (Carterii). For topical use, keep dilution at or below 3%.
Blue Tansy (Tanacetum annuum) is a floral essential oil, steam-distilled from the flowering tops. Its aroma is sweet, herbal, sitting as a heart note in a blend. It's commonly paired with Lavender, Helichrysum, Frankincense (Carterii), Cedarwood (Atlas). Keep topical use at or below 3%. It is noted for chamazulene. Always patch-test first.
Aroma & character
Aroma
Traditional aromatherapy associations
Traditional associations only — not medical claims or evidence of efficacy.
Properties
| Perfumery note | Heart |
| Aroma family | Floral |
| Chemical family | Sesquiterpene |
| Material type | Essential oil |
| Extraction | Steam distillation |
| Plant part | flowering tops |
| Blending factor | 3 |
| Volatility index | 3 |
| Tenacity (hours) | 6.0 |
Safety & dilution
| Max topical dilution | 3% |
| Max facial dilution | 1.5% |
| Pregnancy | No specific caution recorded |
| Nursing | Generally suitable when properly diluted |
| Children | Generally suitable, well diluted (from ~6 years) |
| Cats | Generally suitable when properly diluted |
| Dogs | Generally suitable when properly diluted |
Safety flags
For education only — not medical or veterinary advice. Essential oils are not intended to diagnose, treat, cure, or prevent any condition. Always patch-test and consult a qualified professional before use during pregnancy, on children, with pets, or with a health condition.
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Blends well with
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Frequently asked questions
What does Blue Tansy smell like?
Blue Tansy has a sweet, herbal aroma, classed as a floral oil with a heart note.
What is the safe dilution for Blue Tansy?
For topical use, keep Blue Tansy at or below 3%, and 1.5% on facial skin. Always patch-test before wider use.
Is Blue Tansy safe to use during pregnancy?
Our dataset records no specific pregnancy caution for Blue Tansy. That is not the same as it being established as safe — always consult a qualified healthcare provider before using any essential oil during pregnancy.
Is Blue Tansy safe to use around children?
Blue Tansy is generally considered suitable for children when well diluted (from around 6 years old). Consult a professional for young children.
Is Blue Tansy safe around pets?
For cats — generally lower-risk when well diluted and diffused sparingly; dogs — generally lower-risk when well diluted. Diffuse only in ventilated spaces and consult a veterinarian.
What does Blue Tansy blend well with?
Blue Tansy pairs well with Lavender, Helichrysum, Frankincense (Carterii), Cedarwood (Atlas).