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Rudbeckia hirta 'Toto' AGM

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© RHS 2000

Characteristics

Plant type

Annual/Biennial

Habit

Bushy

Resilience

Hardiness

H3 (half hardy - unheated greenhouse/mild winter)

Colour

Flower

Purple and Dark Yellow in Autumn and Summer

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

1-2 years


Preferred common name

black-eyed Susan 'Toto'

Family

Asteraceae


Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk

'Toto' is a dwarf well-branched biennial to 25cm in height, with purple-centred, golden-yellow flowers 8cm across in late summer and autumn

Synonym(s)

  • Rudbeckia 'Toto'

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing or West-facing
  • Sheltered or Exposed

Cultivation

Grow in moderately fertile, preferably heavy but well-drained soil in full sun or partial shade

Soil

  • Moist but well-drained
  • Neutral, Acid or Alkaline
  • Loam or Clay

Propagation

Propagate by seed sown with gentle heat in spring

Suggested planting locations and garden types

Cottage/Informal Garden, Flower borders and beds or Patio/Container Plants


How to care

Pruning

No pruning required

Pests

Generally pest free

Diseases

Generally disease free