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Ipheion uniflorum

spring starflower

Has flower stems 15-20cm, bearing pale silvery blue or whitish flowers in spring. Lax green leaves appear before flowers, usually in winter, but opportunistic growth may occur in autumn. Several named colour selections are available

Synonyms

Tristagma uniflorum
Triteleia uniflora

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0–0.1 metre

Loam

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

West–facing or South–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: Amaryllidaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Columnar upright
Genus: Ipheion are small bulbous perennials with onion-scented, narrowly strap-shaped leaves and sweet-scented star-shaped flowers in late winter and spring
Name status: Correct
Plant range: Argentina to Uruguay

How to grow

Cultivation

Plant 8cm deep in autumn in moderately fertile, humus-rich, well-drained soil that does not dry out. Provide protective winter mulch in colder areas. In containers best grown in peat-free, loam-based compost with added leaf mould and grit. Under glass grow in bright filtered light

Propagation

Propagate by seed in containers in a cold frame as soon as ripe or in spring. Propagate by division in summer when dormant

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Rock garden
Mediterranean climate plants
City and courtyard gardens
Flower borders and beds
Underplanting of roses and shrubs

Pruning

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

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