Tagetes erecta 'Discovery'

RHS Plant Profile
French marigold 'Discovery'

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A compact, dwarf annual to 25cm high with aromatic mid-green fern-like leaves divided into leaflets and large, dense, double flowerheads to 7.5cm wide in shades of yellow, orange, gold and primrose which are produced from summer into autumn

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 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

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

Position

Full sun
Aspect
South–facing or West–facing or East–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 well-drained soil in full sun, and water freely in hot, dry conditions; grow in containers using a peat-free, loam-based potting compost and water to keep the compost moist but not soggy, apply a liquid fertiliser weekly

Propagation

Propagate by seed under cover in early spring or directly outdoors in late spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Hanging Basket
  • Patio and container plants
  • Bedding
  • Flower borders and beds
  • Garden edging
  • Underplanting of roses and shrubs

Pruning

Deadhead regularly to prolong flowering

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to powdery mildews