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Herbaceous Perennial

Rudbeckia Summerina Series

Bushy upright, clump-forming herbaceous perennials to 60cm with lance-shaped somewhat toothed dark green hairy leaves. Numerous large flowers often darker towards the base around a brown central cone in shades of yellow, orange and coppery browns produced in summer. This series incorporates the appearance of a rudbeckia and the hardiness of an echinacea, flowering over a long period from summer into autumn

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Clay

Loam

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full shade
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: Unresolved

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 conditions once well established

Propagation

Propagate by division

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
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 grey moulds if air circulation is poor

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