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Herbaceous Perennial

Rodgersia 'La Blanche'

rodgersia 'La Blanche'

A clump-forming herbaceous perennial to 1.5m, with palmate leaves composed of large, toothed, deeply veined leaflets. In mid and late summer it produces 50cm tall, conical clusters of tiny white flowers

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Ultimate height

1–1.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Clay

Loam

Moisture

Moist but well–drained, Poorly–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or North–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: Clump forming
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: Accepted

How to grow

Cultivation

Grow in humus-rich, moist soil in full sun or partial shade, with shelter from cold, drying winds.

Propagation

Propagate by division

Suggested planting locations and garden types

Cottage and informal garden
Flower borders and beds

Pruning

Trim away dead top growth before new growth starts in early spring

Pests

May be susceptible to slugs

Diseases

Generally disease-free

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