How to Fertilize Sempervivum 'Red Devil'?
Very dilute low-nitrogen succulent feed monthly in warm growth

Sempervivum 'Red Devil' · Sempervivum 'Red Devil'
Grow in moderately fertile, very well-drained soil in full sun. Protect from excessive winter wet. Suitable for rock garden, scree bed, wall crevice, trough or alpine house
Very dilute low-nitrogen succulent feed monthly in warm growth