Lachenalia quadricolor

RHS Plant Profile

four-coloured opal flower

Synonyms

Lachenalia aloides var. quadricolor

Conservatory Greenhouse Bulbs

A bulbous perennial to 25cm in height, with purple-spotted, strap-shaped leaves and erect racemes of red buds opening to tubular yellow and green flowers 2-3cm in length, red at the base and tipped with purple

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity: 2–5 years
Max Spread: 0-0.1 metre
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Loam Sand

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

Position

Full sun

Aspect: North–facing or West–facing or South–facing or East–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): H2

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asparagaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Lachenalia are bulbous perennials with strap-shaped, sometimes dark-spotted leaves, and erect stems bearing racemes or spikes of tubular flowers, slightly fragrant in some species, in autumn, winter or early spring
Name Status: Correct
Plant Range: South Africa (SW Cape Prov)

How to Grow

Cultivation

Under glass grow in peat-free, loam-based potting compost in full light. When in growth water freely and apply a balanced liquid fertiliser fortnightly. Reduce water as the leaves fade and keep dry until new foliage appears in autumn. Can be grown outdoors in a light soil

Propagation

Propagate by seed sown as soon as ripe at 13 to 18°C or remove bulblets in summer or autumn prior to repotting

Suggested planting locations and garden types

Patio and container plants

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free