Deno’s GardenMy Garden

Arenaria norvegica

Norwegian Sandwort

Family CaryophyllaceaeGenus Arenaria

One small white five-petalled flower with a green center, low among pale gravel and dry grass
FlowerMike PenningtonCC BY-SA 2.0

About the plant

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

Habit
annual or subshrubPlants of the World Online
Flower
WhiteWikipedia
Native range
Finland, Great Britain, Iceland, Ireland, Norway, SwedenGBIF 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; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports 6 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around October 2, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on October 1, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Gibberellic acid soak

  3. Sow and cover

    Temperature: 70°F 21°C

about 6 months from start to sowing. Then 6 days to germinate.

100% germination in 4–6 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Arenaria p. 22Public domain
Show the original text
Arenaria (Caryophyllaceae). Nine species were D-70 (2nd Ed.). This is not true for A. norvegica germ. only in 70 GA-3 (87% in 1-5 w) and none in 70D or 70L. Changes occur in the seed in DS so that seed DS 6 m at 70 germ. 70 GA-3(100% in 4-6 d), 70L(30% in 1-4 w), and 70D(1%), and seeds DS 1 y germ. 70 GA-3(45%) and none in 70D. Seeds DS 2 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Arenaria p. 22. 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, 1996

Difficulty Low Rated by us, not by the source.

Start around March 1, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 35 days to germinate.

87% germination in 7–35 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Arenaria p. 22Public domain
Show the original text
Arenaria (Caryophyllaceae). Nine species were D-70 (2nd Ed.). This is not true for A. norvegica germ. only in 70 GA-3 (87% in 1-5 w) and none in 70D or 70L. Changes occur in the seed in DS so that seed DS 6 m at 70 germ. 70 GA-3(100% in 4-6 d), 70L(30% in 1-4 w), and 70D(1%), and seeds DS 1 y germ. 70 GA-3(45%) and none in 70D. Seeds DS 2 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Arenaria p. 22. 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 3

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 15, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Gibberellic acid soak

  3. Sow and cover

    Temperature: 70°F 21°C

about 12 months from start to sowing. Germination time not stated; 21 days assumed.

45% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Arenaria p. 22Public domain
Show the original text
Arenaria (Caryophyllaceae). Nine species were D-70 (2nd Ed.). This is not true for A. norvegica germ. only in 70 GA-3 (87% in 1-5 w) and none in 70D or 70L. Changes occur in the seed in DS so that seed DS 6 m at 70 germ. 70 GA-3(100% in 4-6 d), 70L(30% in 1-4 w), and 70D(1%), and seeds DS 1 y germ. 70 GA-3(45%) and none in 70D. Seeds DS 2 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Arenaria p. 22. 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 4

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around September 10, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 9, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

about 6 months from start to sowing. Then 28 days to germinate.

30% germination in 7–28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Arenaria p. 22Public domain
Show the original text
Arenaria (Caryophyllaceae). Nine species were D-70 (2nd Ed.). This is not true for A. norvegica germ. only in 70 GA-3 (87% in 1-5 w) and none in 70D or 70L. Changes occur in the seed in DS so that seed DS 6 m at 70 germ. 70 GA-3(100% in 4-6 d), 70L(30% in 1-4 w), and 70D(1%), and seeds DS 1 y germ. 70 GA-3(45%) and none in 70D. Seeds DS 2 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Arenaria p. 22. 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 5

DerivedN. C. Deno, 1996

Difficulty Very high Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 6 months from start to sowing. Germination time not stated; 21 days assumed.

1% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Arenaria p. 22Public domain
Show the original text
Arenaria (Caryophyllaceae). Nine species were D-70 (2nd Ed.). This is not true for A. norvegica germ. only in 70 GA-3 (87% in 1-5 w) and none in 70D or 70L. Changes occur in the seed in DS so that seed DS 6 m at 70 germ. 70 GA-3(100% in 4-6 d), 70L(30% in 1-4 w), and 70D(1%), and seeds DS 1 y germ. 70 GA-3(45%) and none in 70D. Seeds DS 2 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Arenaria p. 22. 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 6

DerivedN. C. Deno, 1996

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Arenaria p. 22Public domain
Show the original text
Arenaria (Caryophyllaceae). Nine species were D-70 (2nd Ed.). This is not true for A. norvegica germ. only in 70 GA-3 (87% in 1-5 w) and none in 70D or 70L. Changes occur in the seed in DS so that seed DS 6 m at 70 germ. 70 GA-3(100% in 4-6 d), 70L(30% in 1-4 w), and 70D(1%), and seeds DS 1 y germ. 70 GA-3(45%) and none in 70D. Seeds DS 2 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Arenaria p. 22. Quoted exactly. Every value on this card comes from this record; 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

Add to My Garden

View species page