How to grow Dianthus carthusianorum from seeds

The Carthusian pink (Dianthus carthusianorum) is a perennial herbaceous plant that can grow up to 40 centimeters tall and bloom from June to September (in Central Europe).

Dianthus carthusianorum Carthusian pink

This member of the the carnation family (Caryophyllaceae) is native to most European countries. As an introduced species, it can also be found in Turkey and in some North American regions (source).

Dianthus carthusianorum colonizes sunny and warm locations and grows in dry meadows, dry grasslands, on embankments, along roadsides or forest edges.

Sowing instructions

It can be sown in pots or beds in May. The Carthusian pink germinates quickly, with the first cotyledons appearing after just three days at around 68 °F (20 °C).

Dianthus carthusianorum is a light germinator, the seeds are only placed on the soil and not covered with it. They can be sown directly without prior soaking.

Germinating Carthusian pink seeds
Germinating Carthusian pink seeds, three days after sowing.

To prevent the seeds from drying out, the seed pot should be covered for the first few days. Until all the seeds have germinated, it can be kept in a bright place. Partly sunny to fully sunny locations are ideal for further cultivation.

The Carthusian pink is suitable for sunny locations with moderately moist to dry, well-drained and nutrient-poor soil.

Carthusian pink seedlings five days after sowing
Carthusian pink seedlings five days after sowing. Due to the lack of a sunny window spot, they are grown under my office lamp.

Categories: Garden plants | Nuts & Seeds | Wildflowers |

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