Dianthus carthusianorum is native to Europe. It is a herbaceous perennial plant. It is commonly known as Carthusian Pink or German Pink. It is part of the Caryophyllaceae family of plants. Dianthus carthusianorum grows to about 60cm or 24in. It has slender leaves and in the summer, bright pink or magenta-colored flowers that appear in clusters at the top of the slender stems. To prolong flowering deadhead flowers.
Plant Dianthus carthusianorum in alkaline to neutral soil and enrich by incorporating well-rotted manure, well-drained, in the full sun. It does appreciate a balanced fertilizer in spring. Propagate by softwood cuttings (non-flowering stems) or by layering after the flowering season which is July to September. Watch out for slugs and aphids, rust.
Also read about Dianthus barbatus