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Herbaceous Perennial

Rudbeckia Summerina Yellow ('Et Rdb 02'^PBR) (Summerina Series)

coneflower [Summerina Yellow]

A bushy upright, clump-forming herbaceous perennial to 60cm with lance-shaped somewhat toothed dark green hairy leaves. It produces numerous large yellow to orange petals fading to autumnal shades of brown around a brown central cone. This variety incorporates the appearance of a Rudbeckia and the hardiness of an Echinacea and flowers over a long period from summer into autumn.

Synonyms

Rudbeckia 'Et Rdb 02'^PBR

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Loam

Clay

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

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
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

Propagation by division

Suggested planting locations and garden types

City and courtyard gardens
Patio and container plants
Prairie planting
Wildlife gardens
Cut flowers
Flower borders and beds

Pruning

Cut stems down after flowering 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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