Annual · Asteraceae family

French marigold

Tagetes patula

Full sun to part shade 0.15–0.3 m × 0.15–0.45 m Flowers June–October Low maintenance
Flower colours Click a colour

In short a 10-second read

SunFull sun to part shade
Size0.15–0.3 m
spacing 25 cm
FlowersJune–October
PlantingMay
Care levelLow maintenance

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun to part shade, in dry to average soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

tolerates any pH
acidicneutralalkaline
dry to averageloamysandyclay

Watering

keep the soil evenly moistdrought tolerant once establishedless when it rains

How much space it takes

Mature size.

The mature plant next to a person (175 cm).

50 cm1 m1.5 m0.15–0.3 mspread 0.15–0.45 m
0.15–0.3 m× spread 0.15–0.45 m

Plant 25 cm apart.

The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Months for Central Europe. The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberSowing: JanuarySowing: FebruarySowing: MarchSowing: AprilSowing: MaySowing: JuneSowing: JulySowing: AugustSowing: SeptemberSowing: OctoberSowing: NovemberSowing: DecemberPlanting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersSowingPlanting
Now, in October: nothing to do — the next job is in February.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

June–October · yellow, orange, red or brown

Sowing

JanFebMarAprMayJunJulAugSepOctNovDec

direct sowing: April–May; sow indoors: February–March

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

transplant outdoors: May

Feeding

Nutrition.

Light
balanced fertiliserlow nitrogen

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

High riskMedium riskLow riskRisk for this plant according to the source · no label = no documented level

Grey mould

Botrytis cinerea
Medium riskdisease
More about this problem

What you will see

Fuzzy grey-brown mould on dying buds, leaves, flowers and fruit.

The source says: it is among the annuals susceptible to grey mould.

How to protect

  1. Prevention
    • Reduce humidity, improve airflow and do not plant too densely.
  2. By handQuickly remove dead and affected parts (carefully, as spores spread easily), ideally into a bag.
Grey moulddiseaseMedium risk

What you will see

Fuzzy grey-brown mould on dying buds, leaves, flowers and fruit.

The source says: it is among the annuals susceptible to grey mould.

How to protect

  1. Prevention
    • Reduce humidity, improve airflow and do not plant too densely.
  2. By handQuickly remove dead and affected parts (carefully, as spores spread easily), ideally into a bag.
More about this problem

What you will see

Leaves are speckled and bronzing, with fine webbing on the underside.

The source says: spider mites are common on this plant.

How to protect

  1. Prevention
    • Reduce dust and water stress; do not use broad-spectrum insecticides, which cause mite outbreaks.
  2. By handA strong jet of water on the underside of leaves.
  3. Gentle sprayInsecticidal soap or oil, thoroughly on the undersides; only after mites are confirmed.
Spider mitespestMedium risk

What you will see

Leaves are speckled and bronzing, with fine webbing on the underside.

The source says: spider mites are common on this plant.

How to protect

  1. Prevention
    • Reduce dust and water stress; do not use broad-spectrum insecticides, which cause mite outbreaks.
  2. By handA strong jet of water on the underside of leaves.
  3. Gentle sprayInsecticidal soap or oil, thoroughly on the undersides; only after mites are confirmed.
More about this problem

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

How to protect

  1. Prevention
    • Destroy fallen infected leaves in autumn; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand autumnPrune out infected shoots early and destroy fallen leaves.
Powdery mildewsdisease

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

How to protect

  1. Prevention
    • Destroy fallen infected leaves in autumn; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand autumnPrune out infected shoots early and destroy fallen leaves.
More about this problem

What you will see

Brown to black spots on leaves; leaves turn yellow early.

How to protect

  1. Prevention
    • Remove old leaves before they infect the new season.
    • Do not wet the leaves when watering; keep the plant unstressed.
  2. By hand after the first spots; in autumnRemove affected leaves at once and destroy them; collect fallen leaves in autumn.
Leaf spotsdisease

What you will see

Brown to black spots on leaves; leaves turn yellow early.

How to protect

  1. Prevention
    • Remove old leaves before they infect the new season.
    • Do not wet the leaves when watering; keep the plant unstressed.
  2. By hand after the first spots; in autumnRemove affected leaves at once and destroy them; collect fallen leaves in autumn.
More about this problem

What you will see

Silvery speckling of leaves and flowers.

How to protect

  1. Prevention
    • Outdoors, plants usually survive even with silvery speckling; encourage natural enemies.
  2. BiologicalPredatory bug Orius laevigatus and mites (mainly in the greenhouse).
Thripspest

What you will see

Silvery speckling of leaves and flowers.

How to protect

  1. Prevention
    • Outdoors, plants usually survive even with silvery speckling; encourage natural enemies.
  2. BiologicalPredatory bug Orius laevigatus and mites (mainly in the greenhouse).
More about this problem
Sources (7)

What to combine it with

Same needs, different flowering.

They share the same sun and soil and flower in other months — so the bed flowers for longer.

Frequently asked

Quick answers.

When does French marigold flower?

In June–October; the flowers are yellow, orange, red or brown.

When do I sow French marigold?

In February–May (direct sowing, sow indoors).

Does French marigold tolerate shade?

It tolerates part shade (3–6 hours of sun), but not full shade.

How much space does French marigold need?

At maturity 0.15–0.45 m wide and 0.15–0.3 m tall; recommended spacing 25 cm.

Powdery mildews — what can you do?

Destroy fallen infected leaves in autumn; do not over-feed, and protect from drought (stress invites powdery mildew). Prune out infected shoots early and destroy fallen leaves.

Grey mould — what can you do?

Reduce humidity, improve airflow and do not plant too densely. Quickly remove dead and affected parts (carefully, as spores spread easily), ideally into a bag.

Sources (8) Checked 24 October 2026

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