Zinnia haageana 'Aztec Red Bicolour' (d)

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zinnia 'Aztec Red Bicolour'

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zinnia 'Aztec Red Bicolour' John Fielding
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Annual Biennial Bedding

A bushy and free-flowering half-hardy annual, good for the front of the border or a container. Double flowers in shades of red, orange and yellow are borne from early summer until the first frosts. The flowers are good for cutting

Position

Full sun

Soil Types

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

Position

Full sun
Aspect
South–facing or West–facing or East–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
Drought Resistance
Yes

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

Plant out after the last frosts into humus-rich, well-drained fertile soil in full sun

Propagation

Propagate by sowing seed under glass in early spring at 15°C, or where plants are to flower in late spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Sub-tropical
  • Bedding
  • Cut flowers
  • Flower borders and beds
  • Garden edging
  • Underplanting of roses and shrubs

Pruning

Deadhead to prolong flowering

Pests

Generally pest-free

Diseases

Generally disease-free although mildews may be a problem if plants are not grown in an open site