tansy

Tanacetum vulgare

Layer 4 · Herbaceous
Pest repellent

Status by region

No restrictions recorded in the lists we checked.

Checked against the European Union list (Regulation 1143/2014) · Portugal's national invasive species list (Decreto-Lei 92/2019).

Information based on the cited sources, not legal advice — always confirm your local rules.

About

Toxic: should not be ingested. Perennial herbaceous plant native to Eurasia, with a strong aroma and button-shaped yellow inflorescences. It is an excellent accumulator of potassium and repels ants, flies and other insects in the garden.

It is harvested now — September is one of the harvest months.

See which trees tansy grows well with

These trees share this species' soil and climate — the pairing is inferred from conditions, not from a guild we have already seen.

No account needed.

Needs

Water: Medium
Light: Full sun
Size: Herbaceous up to 1.2 m
Mature diameter: 0.6 m
Soils: Clay, Loam, Sandy
Climates: Atlantic coast, Inland / Continental, Mountain / cold

Calendar

January
February
March — Planting
April — Planting
May
June
July — Harvest
August — Harvest
September — Harvest
October — Planting
November
December

Harvest
Planting

Medicinal use: Toxic: not recommended for ingestion due to the presence of thujone, being dangerous in high doses.

Where to buy

Central trees worth considering

May work well together — same soil and climate, complementary layers. We have not seen this combination in a generated guild yet.

May grow well with

Suggestions worked out from growing conditions — same soil and climate, complementary layers and functions. These are not observed guilds; treat them as a starting point to try on your own land.