Zinnia elegans 'Uproar Rose' (d)

RHS Plant Profile
zinnia 'Uproar Rose'

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zinnia 'Uproar Rose' RHS / Joanna Kossak
zinnia 'Uproar Rose' RHS / Joanna Kossak
Annual Biennial

A bushy annual to about 70cm producing sturdy, upright stems topped by large, solitary, deep rose-pink, very double blooms

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full sun
Aspect
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
Zinnia can be annuals, perennials or sub-shrubs, with branching stems bearing opposite leaves and solitary terminal flower-heads in summer
Name Status
Unresolved

How to Grow

Cultivation

Grow in well-drained, fertile, humus-rich soil in a warm, sunny, open position

Propagation

Propagate by seed sown in pots in spring or, in warm areas, sown in situ in late spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Flower borders and beds
  • Cut flowers

Pruning

Deadhead to prolong flowering

Pests

Generally pest-free

Diseases

May be susceptible to grey moulds, powdery mildews and a leaf spot