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Herbaceous Perennial

Libertia grandiflora (R. Br.) Sweet

New Zealand satin flower

A strong-growing, clump-forming evergreen plant, up to 90cm tall, with narrow, dark-green, grass-like leaves. In early summer, white, bowl-shaped flowers, 2-3cm across, are carried on erect stems and are followed by round seed pods in autumn which turn black when they mature

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Plant nurseries
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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

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

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: Iridaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Libertia are clump-forming perennials with grass-like, evergreen leaves and panicles of saucer-shaped white or blue flowers, followed by orange seed capsules
Name status: Correct
Plant range: New Zealand

How to grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun; will tolerate light shade. The foliage may be damaged in harsh winters

Propagation

Propagate by seed or by division

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Flower borders and beds

Pruning

Remove flower stalks after flowering. Trim back damaged foliage in spring

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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