How to Fertilize red valerian?
No fertilizer needed

red valerian · Centranthus ruber
Also known as: fox; fox's brush; German lilac; pretty Betsy; Spanish valerian; spur valerian; Jupiter's beard; kiss-me-quick
Grow in a well-drained soil that is poor to moderately fertile, ideally a chalky or stony soil. Good drought resistance; thrives on walls and in coastal gardens. Needs full sun to flower well.
No fertilizer needed