Zinnia elegans

RHS Plant Profile
youth and old age

Other common names

youth on age, common zinnia

Synonyms

Zinnia violacea

Plants for pollinators
Annual Biennial

A bushy, half-hardy annual, which is a parent of many garden cultivars. Daisy-like flowers are produced in summer and can be single, semi-double or double, appearing in a range of colours including white, pink, red, orange and yellow. The flowers are attractive to bees and butterflies and are produced on long stems above lance-shaped mid-green foliage, making them useful for both wildlife gardens and for cutting

Position

Full sun

Soil Types

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

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness
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
Correct
Plant Range
Mexico, Central America

How to Grow

Cultivation

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

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Bedding
  • Flower borders and beds
  • Cut flowers

Pruning

Deadhead to prolong flowering

Pests

Generally pest-free

Diseases

May be susceptible to foot and root rot, grey moulds, fungal leaf spot and powdery mildews