Autumn pineapple lily
Eucomis autumnalis · Asparagaceae
📷 Didier B (Sam67fr) · CC BY-SA 2.5
The gardener's calendar
Autumn pineapple lily is in full bloom: enjoy it, watch watering in hot weather and let spent flowers feed pollinators before pruning.
ID card
- Common name
- Pineapple lily
- Family
- Asparagaceae
- Type
- Bulbous herbaceous plant
- Adult height
- 40 to 50 cm
- Flowering
- August to September
- Foliage
- Deciduous
- Hardiness
- Moderate (winter protection recommended)
- Origin
- South Africa
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability medium.
Expert tips
The key tip
Fertile, well-draining soil. Plant deeply (10 cm of soil above the bulb).
The common mistake
Planting too shallowly, exposing the bulb to cold and rot, or watering too much in autumn-winter when dormancy begins.
The pro's trick
Sow seeds after harvest (September-October) in a cold seed tray: germination occurs January-February in the garden.
Care
Light exposure
Eucomis autumnalis prefers a sunny position, ideally 6 to 8 hours of direct sunlight daily for optimal flowering. Light partial shade is tolerated, but risks reducing flowering intensity. Avoid dense shade, which will weaken the plant.
Watering
Water regularly during growth and flowering, keeping the soil lightly moist without waterlogging. Gradually reduce watering in late summer and suspend irrigation in winter (dormancy). The bulb dreads excess water, particularly during winter rest, which can promote rot.
Soil
Prepare a rich, well-draining substrate made of quality potting soil mixed with sand or perlite. Neutral to slightly acidic pH suits it perfectly. Improve drainage if natural soil is too compact by incorporating granular amendments.
Fertiliser
Apply a balanced fertiliser once or twice monthly during the growing season (spring-summer). Choose a fertiliser slightly rich in potassium at flowering time to support flower energy. Stop fertilising in autumn and winter.
Pruning and cleaning
No structural pruning is necessary. Simply remove faded flowers to encourage possible reblooming and improve overall appearance. In autumn, let the foliage yellow naturally before cutting it back to ground level for winter dormancy.
Pests and diseases
Eucomis is generally robust but can suffer from bulb rot in overly moist conditions. Watch for spider mites and scale insects indoors. Ensure good air circulation and avoid excessive watering to prevent fungal issues.
Did you know?
Its characteristic inflorescence, crowned with a tuft of green bracts, resembles a pineapple placed upside down, hence its poetic common name. Eucomis autumnalis blooms late in the season, extending ornamental interest in the garden until the first autumn frosts.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
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Tips generated and checked by Viridia — adapt them to your local climate.