Sempervivum ‘Onyx’ – Succulent
Sempervivum ‘Onyx’ is a dramatic, low-growing succulent featuring deep burgundy to near-black rosettes that intensify in full sun and cooler weather. It’s an ultra-tough, water-wise plant that adds bold contrast and structure with almost no maintenance.
🌱 Why Gardeners Love Sempervivum ‘Onyx’
✔ Dark, almost black rosettes - Creates striking contrast in modern and rock gardens.
✔ Hardy and drought tolerant - Thrives in hot, dry conditions once established.
✔ Compact clumping habit - Slowly multiplies to form neat, attractive colonies.
✔ Cold and heat tolerant - Performs reliably across a wide range of climates.
✔ Ultra low-maintenance - Requires virtually no care to stay looking its best.
🏡 How to Use Sempervivum ‘Onyx’ in Your Garden
✅ Rock gardens - Perfect for gravel beds, crevices, and stone features.
✅ Groundcover planting - Ideal for sunny, well-drained areas and slopes.
✅ Pots and bowls - Makes a bold feature in shallow containers.
✅ Vertical gardens - Excellent for green walls and living succulent displays.
Easy Planting & Care Guide
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Spacing: Plant 20 to 25cm apart for steady coverage. Planting closer creates faster visual impact and a fuller look, so consider adding extra plants for immediate results.
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Best Planting Time: Can be planted year-round, best season is spring or autumn.
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Mulching & Fertilising: This succulent thrives naturally and does not require mulching or fertiliser to stay healthy.
❔ FAQs About Sempervivum ‘Onyx’
Does Sempervivum ‘Onyx’ keep its dark colour all year?
Yes, it holds deep colour year-round, with the darkest tones appearing in full sun and cooler weather.
Is it suitable for full sun?
Yes, full sun encourages compact growth and the richest foliage colour.
How big does it grow?
Individual rosettes reach around 8 to 12cm wide and gradually form spreading clumps.
Is it drought tolerant?
Yes, once established it requires very little water.
Can it be grown in pots?
Absolutely, it performs exceptionally well in pots, bowls, and shallow containers with good drainage.
🌿 Ready to Transform Your Garden?
Create the perfect garden now, this bold, easy-care succulent is popular and selling fast!