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BulbsConservatory Greenhouse

Lachenalia vanzyliae

van Zyl opal flower

A bulbous perennial up to 25cm high, growing from autumn to spring, with long fleshy green leaves that are heavily-spotted above with maroon-brown. From late winter to early spring spikes of hanging tubular flowers, about 3cm long, appear. Flowers are pale grey-green-blue at the base and yellowish grey-green at the apex, and tipped and edged in grey

Synonyms
Lachenalia aloides var. vanzyliae

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green Grey Silver Yellow Brown Red Green
Summer
Autumn Brown Red Green
Winter Blue Green Grey Silver Yellow Brown Red Green
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Hardiness
H2
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
S Africa (W Cape)

How to grow

Cultivation

Plant bulbs 10cm deep: in frost-prone areas, grow in a cool greenhouse or conservatory in full light in peat-free, loam-based potting compost. Water moderately as growth starts, water freely when in full growth (adding a balanced fertilizer every fortnight), and reduce watering as the leaves fade, then keep dry until fresh growth starts. In frost-free areas with dry summers, grow in full sun in well-drained soil in a rock garden or among low shrubs

Propagation

Propagate by seed, sown at 13-18°C as soon as it is ripe, or by division, removing bulblets from dormant plants and repotting or replanting straightaway

Suggested planting locations and garden types
  • Patio and container plants
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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