French marigold

Tagetes patula

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

Annual plant native to North and Central America, highly valued in kitchen garden companion planting. It secretes root substances that repel soil nematodes and various unwanted insects. Its showy flowers attract pollinators and beneficial insects throughout the summer.

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

See which trees French marigold 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 0.4 m
Mature diameter: 0.3 m
Soils: Loam, Sandy
Climates: Atlantic coast, Inland / Continental, Hot, dry Mediterranean

Calendar

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

Harvest
Planting

Medicinal use: The petals are occasionally used as a natural food colouring and in mild infusions.

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.