Tagetes 'Zenith Red' (Zenith Series)

RHS Plant Profile
marigold 'Zenith Red'

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marigold 'Zenith Red' RHS / Joanna Kossak
marigold 'Zenith Red' RHS / Joanna Kossak
marigold 'Zenith Red' RHS / Joanna Kossak
Annual Biennial Bedding

A compact, bushy annual to 30cm tall with aromatic, divided leaves and double, predominantly deep red flowerheads with some golden-yellow edging and shading that are produced in abundance from late spring into autumn

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

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

Position

Full sun
Aspect
West–facing or East–facing or South–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
Accepted

How to Grow

Cultivation

Grow in moderately fertile, well-drained soil in full sun. Water freely in dry spells

Propagation

Propagate by seed sown at 21°C in spring

Suggested planting locations and garden types

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

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free