Ipheion 'Rolf Fiedler'

RHS Plant Profile

spring starflower 'Rolf Fiedler'

RHS

Synonyms

Tristagma 'Rolf Fiedler'
Ipheion uniflorum 'Rolf Fiedler'

Bulbs

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A perennial forming a clump of narrow light green leaves, with erect stems bearing solitary, starry, clear deep blue flowers 3-4cm in width, each petal with a dark central line

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity: 2–5 years
Max Spread: 0-0.1 metre
Max Height: Up to 10 cm

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun

Aspect: South–facing or East–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): H4

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Amaryllidaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Tufted
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: Accepted

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

Propagation

Propagate by seed, sown in pots in a cold frame when ripe or by division in summer when dormant

Suggested planting locations and garden types

Patio and container plants
Rock garden
Mediterranean climate plants
City and courtyard gardens
Cottage and informal garden
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