Rudbeckia laciniata 'Goldkugel' (d)

RHS Plant Profile
coneflower 'Goldkugel'
Award of Garden Merit
Herbaceous Perennial

A bushy, clump-forming herbaceous perennial, up to 2m high, with deeply lobed and divided basal leaves. Produces large, rounded, golden yellow double flowers to 6cm across, on tall stems from mid summer to early autumn

Position

Full sun

Soil Types

Clay, Loam

Max Height

1.5-2.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
1.5-2.5 metres

Growing Conditions

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

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy, Columnar upright
Genus
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
Name Status
Accepted

How to Grow

Cultivation

Grow in moderately fertile soil that does not dry out. May spread if left unchecked, divide every 3-5 years to maintain vigour and control growth. See rudbeckia cultivation for more detailed advice

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Prairie planting
  • Wildflower meadow
  • Flower borders and beds

Pruning

Spent flowering stems may be cut back, or left to provide winter interest

Pests

May be susceptible to aphids, to leaf and bud eelworms, and to slugs on young growth

Diseases

May be susceptible to powdery mildews, especially on dry soils