Filipendula ulmaria 'Flore Pleno' (d)

Synonyms

Filipendula ulmaria 'Plena'

Herbaceous Perennial

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A clump-forming perennial to around 90cm high, with upright stems bearing irregularly divided green leaves, coated with fine white hairs on the undersides. Broad, feathery clusters of tiny, double white flowers are produced on branching stems in summer

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Clay Loam

Moisture: Moist but well–drained or Poorly–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or 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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Filipendula are rhizomatous herbaceous perennials with pinnately divided leaves and large sprays of small rosy-pink or white flowers borne on leafy stems well above the foliage
Name Status: Unresolved

How to Grow

Cultivation

Grow in moderately fertile, moist soil in sun or part shade; thrives in damp and woodland environments

Propagation

Propagate by division in autumn or spring, or by root cuttings in late winter

Suggested planting locations and garden types

Cottage and informal garden
Wildflower meadow
Wildlife gardens
Flower borders and beds

Pruning

Cut back after flowering

Pests

Generally pest-free

Diseases

May be susceptible to fungal leaf spot, and to powdery mildews, especially in poor or dry soils