How to Prune Sempervivum 'Noir'?
No pruning required
Sempervivum 'Noir' · Sempervivum 'Noir'
Grow in poor to moderately fertile, sharply drained soil in full sun. In pots use a 50:50 mix of loam-based potting compost and grit. See hardy cacti and succulent cultivation
No pruning required