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Herbaceous PerennialBogs

Rodgersia pinnata

featherleaf rodgersia

A large deciduous perennial forming a spreading clump of large, more or less pinnately divided leaves, with erect, conical sprays of cream or pink flowers in summer

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Ultimate height

1–1.5 metres

Time to ultimate height

2–5 years

Ultimate spread

1–1.5 metres

Clay

Loam

Moisture

Moist but well–drained, Poorly–drained, Well–drained

pH

Acid

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

North–facing or East–facing or 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)

Botanical details

Family: Saxifragaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Rodgersia are moisture-loving rhizomatous herbaceous perennials with handsome, often attractively tinted, leaves that may be pinnately or palmately divided, and small star-shaped flowers in large conical panicles in summer, remaining showy in fruit
Name status: Correct
Plant range: W China

How to grow

Cultivation

Grow in humus-rich soil in full sun or partial shade, sheltered from cold, drying winds. They will tolerate drier conditions with more shade

Propagation

Propagate by seed sown in containers in a cold frame in spring at 10°C (50°F). Divide in spring

Suggested planting locations and garden types

Cottage and informal garden
Flower borders and beds

Pruning

Cut back as leaves yellow in autumn

Pests

Slugs may damage young leaves

Diseases

Generally disease-free

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