Tagetes 'Zenith Yellow' (Zenith Series)

RHS Plant Profile
French marigold 'Zenith Yellow'

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French marigold 'Zenith Yellow' RHS
French marigold 'Zenith Yellow' RHS / Joanna Kossak
French marigold 'Zenith Yellow' RHS
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Annual Biennial Bedding

An upright, bushy marigold, 25-50cm in height, with a long flowering season. The double flowers, to 10cm across, are held above the foliage and are a clear yellow

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or East–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H2

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Foliage may aggravate skin allergies. Wear gloves and other protective equipment when handling
Genus
Tagetes can be annuals or perennials of upright growth, with strongly aromatic pinnately divided leaves and showy daisy-like, single or double flower-heads in summer and autumn
Name Status
Unresolved

How to Grow

Cultivation

Grow in moderately fertile, well-drained soil in full sun. Deadhead regularly to prolong flowering. Water freely in dry spells

Propagation

Propagate by seed sown at 21°C in spring

Suggested planting locations and garden types

  • Coastal
  • Cottage and informal garden
  • City and courtyard gardens
  • Patio and container plants
  • Cut flowers
  • Garden edging
  • Flower borders and beds

Pruning

Cut back after flowering

Pests

Generally pest-free

Diseases

Generally disease-free