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Dianthus carthusianorum

Carthusian Pink · Clusterhead · Charterhouse Pink

Family CaryophyllaceaeGenus Dianthus

A magenta flower with toothed petal tips and a dark eye, on a wiry stem over pale limestone chips
FlowerAudrius Meskauskas (Audriusa)CC BY-SA 3.0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
subshrubPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
Deep pink, scarlet, purpleFlora of North America
Native range
Albania, Austria, Belarus, Belgium, Bulgaria, Czechia-Slovakia and elsewhereGBIF Backbone Taxonomy

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 27, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 9 days to germinate.

100% germination in 4–9 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Dianthus p. 29Public domain
Show the original text
Dianthus (Caryophyllaceae). • D. carthusianorum germ. 70D(100% in 4-9 d) for fresh sèeds and 70D(80% in 4-9 d) for seeds DS 1 y.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Dianthus p. 29. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Protocol 2

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 28, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 27, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 12 months from start to sowing. Then 9 days to germinate.

80% germination in 4–9 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Dianthus p. 29Public domain
Show the original text
Dianthus (Caryophyllaceae). • D. carthusianorum germ. 70D(100% in 4-9 d) for fresh sèeds and 70D(80% in 4-9 d) for seeds DS 1 y.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Dianthus p. 29. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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