Tagetes tenuifolia 'Golden Gem'

RHS Plant Profile
signet marigold 'Golden Gem'

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A half-hardy, upright annual with green leaves. Flowers are deep yellow-orange with a slightly darker centre from spring through to summer

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
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

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

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
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 soil, in full sun. Water freely during very dry spells

Propagation

Propagate by sowing seeds in containers or the open ground in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Low Maintenance
  • Bedding
  • Flower borders and beds
  • Garden edging

Pruning

No pruning required, dead head regularly to prolong flowering

Pests

May be susceptible to red spider mite, whiteflies, slugs and snails

Diseases

May be susceptible to grey mould and Phytophthora