Rudbeckia Summerina Butterscotch Biscuit ('Et Rdb 410'PBR) (Summerina Series)

RHS Plant Profile
coneflower [Summerina Butterscotch Biscuit]

Synonyms

Rudbeckia 'Et Rdb 410'PBR

Plants for pollinators
Herbaceous Perennial

A bushy upright, clump-forming herbaceous perennial with lance-shaped somewhat toothed dark green hairy leaves. It produces numerous large buttery yellow, darker butterscotch orange petals towards the base around a brown central cone

Position

Full sun

Soil Types

Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright, Clump forming
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
Trade

How to Grow

Cultivation

Grow in well-drained or moist, but well-drained, moderately fertile soil in a sunny spot or light dappled shade. Able to tolerate drought once established.

Propagation

Propagate by division

Suggested planting locations and garden types

  • Cottage and informal garden
  • Prairie planting
  • Wildflower meadow
  • Wildlife gardens
  • Patio and container plants
  • Flower borders and beds
  • Cut flowers

Pruning

Cut back stems that have flowered or leave for winter interest.

Pests

Generally pest-free

Diseases

May be susceptible to grey moulds if air circulation is poor