black garlic
Also known as: broad-leaved onion
Bulbous perennial about 40cm or more tall, with lance-shaped, grey-green basal leaves to 50cm long. Open, cup-shaped creamy-white flowers, occasionally lilac, with a central greenish-black ovary, form rounded clusters with a flattened top, up to 7cm across, in early summer
Scientific classification
- Species
- black garlic (Allium nigrum)
- Genus
- Allium
- Family
- Amaryllidaceae
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- Toxicity
- Bulbs
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer
- Season of interest
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
black garlic pictures
Distribution of black garlic
Distribution map
Mediterranean
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Culture
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Toxicity
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Quick identification of black garlic
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black garlic care guide
- Moist soil during active growth, then reduce watering after foliage yellows
- Watering
- Full sun
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Moist soil during active growth, then reduce watering after foliage yellows
Fertilizing
FertilizingLight bulb fertilizer at emergence and again after flowering
Pruning
PruningNo pruning required, other than to remove old flowered stems and foliage
Propagation
PropagationPropagate by seed, sowing in containers in a cold frame when just ripe or in the spring. Alternatively, remove offsets in autumn
Growing
GrowingEasy to grow in fertile well-drained soil. Add grit when grown in clay soils to improve drainage. See allium cultivation
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Common pests and diseases
Diseases
May be susceptible to onion white rot, and onion downy mildew
Pests
May be susceptible to allium leaf miner and onion fly
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