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Herbaceous Perennial

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

coneflower [Summerina Butterscotch Biscuit]

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

Synonyms

Rudbeckia 'Et Rdb 410'^PBR

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Clay

Loam

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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)

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

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