How to Prune houseleek 'Reginald Malby'?
No pruning required

houseleek 'Reginald Malby' · Sempervivum 'Reginald Malby'
Grow in moderately fertile, well-drained soil in full sun. Protect from excessive winter wet. Suitable for rock gardens, scree beds, wall crevices, troughs or alpine houses
No pruning required