Rudbeckia subtomentosa 'Little Henry'PBR

RHS Plant Profile
sweet coneflower 'Little Henry'

Save a plant

Where do you want to save Rudbeckia subtomentosa 'Little Henry'PBR?

Plants I own
Wishlist
Go to My Plants
Plants for pollinators
Herbaceous Perennial
Buy this from Plant Nurseries
19 Suppliers

A clump-forming perennial growing to 80-9cm tall. The green, lance to oval-shaped, toothed leaves have a mild, sweet aroma and are softly hairy. Flowers are borne on upright, branched, leafy stems in late summer to early autumn and are made up of narrow, quill-like, butter yellow ray florets surrounding a central dark chocolate brown cone

Position

Full sun

Soil Types

Loam, Clay

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Loam Clay
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

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
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

Prefers a fertile, moisture-retentive but well-drained soil in full sun. Benefits from support. See staking perennials for further advice

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Prairie planting
  • Cut flowers
  • Flower borders and beds

Pruning

Cut back stems after flowering or leave for winter interest

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildew