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Annual Biennial

Zinnia haageana 'Old Mexico' (d)

zinnia 'Old Mexico'

Easy to grow, compact and mildew-resistant variety bearing single, semi-double and double flowers. The petals are coloured red at the flower centre, with golden-yellow tips. Flowers are produced from early summer until the first frosts and are good for cutting

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Red Yellow Green
Summer Red Yellow Green
Autumn Red Yellow Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H2
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 a humus-rich, well-drained fertile soil in full sun.

Propagation

Propagate by seed sown under glass in early spring at 15°C, or in situ in late spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • Sub-tropical
  • Bedding
  • Cut flowers
  • Flower borders and beds
  • Garden edging
  • Wall side borders
Pruning

Deadhead to prolong flowering

Pests

Generally pest-free

Diseases

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

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