Rudbeckia occidentalis 'Green Wizard'

RHS Plant Profile

western coneflower 'Green Wizard'

Synonyms

Rudbeckia 'Green Wizard'
Echinacea purpurea 'Green Wizard'

Herbaceous Perennial

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An upright, rhizomatous perennial to 2m tall, with branched stems bearing flower heads with a ring of green bracts at the base of a dark brown, central cone and no petals. These unusual flowers are highly prized for floral arrangements either fresh or dried.

Position

Full sun

Soil Types

Clay, Loam

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 1.5-2.5 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: 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): H7

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
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 on moderately fertile soil that is well drained and in full sun. Ideal for the back of flower borders and plants will benefit from staking before the flowers appear See staking perennials for further advice

Propagation

Propagate by division in spring or by seed

Suggested planting locations and garden types

Cottage and informal garden
Cut flowers

Pruning

Cut down stems after flowering or leave for winter interest

Pests

Generally pest-free

Diseases

Generally disease-free