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Plantago maritima

Goose Tongue · Sea Kemp · Sea Plantain

Family PlantaginaceaeGenus Plantago

A clump of narrow fleshy leaves in turf, with pale flower spikes standing on bare stalks above them.
The whole plantSten PorseCC BY-SA 3.0

About the plant

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

Habit
perennialPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
Greenish-brownWikipedia
Native range
Afghanistan, Alaska, Albania, Alberta, Aleutian Is., Algeria 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; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around March 28, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 8 days to germinate.

100% germination in 4–8 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Plantago p. 66Public domain
Show the original text
Plantago (Plantaginaceae). The curious results that some species required light and others did not may be due to the light requirement dying off on DS as found for P. maritima germ. 70L(100% in 4-8 d), 70 GA-3(100% in 2-8 d), 70D(75% in 2-9 w), 40-70D(95% in 2-8 d), and OT(none). Seeds DS 6 m were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Plantago p. 66. 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 28, 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 8 days to germinate.

100% germination in 2–8 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Plantago p. 66Public domain
Show the original text
Plantago (Plantaginaceae). The curious results that some species required light and others did not may be due to the light requirement dying off on DS as found for P. maritima germ. 70L(100% in 4-8 d), 70 GA-3(100% in 2-8 d), 70D(75% in 2-9 w), 40-70D(95% in 2-8 d), and OT(none). Seeds DS 6 m were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Plantago p. 66. 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 December 28, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

about 3 months from start to step 2. Germination happens during step 2, in 8 days.

95% germination in 2–8 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Plantago p. 66Public domain
Show the original text
Plantago (Plantaginaceae). The curious results that some species required light and others did not may be due to the light requirement dying off on DS as found for P. maritima germ. 70L(100% in 4-8 d), 70 GA-3(100% in 2-8 d), 70D(75% in 2-9 w), 40-70D(95% in 2-8 d), and OT(none). Seeds DS 6 m were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Plantago p. 66. 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 Low Rated by us, not by the source.

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

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 63 days to germinate.

75% germination in 14–63 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Plantago p. 66Public domain
Show the original text
Plantago (Plantaginaceae). The curious results that some species required light and others did not may be due to the light requirement dying off on DS as found for P. maritima germ. 70L(100% in 4-8 d), 70 GA-3(100% in 2-8 d), 70D(75% in 2-9 w), 40-70D(95% in 2-8 d), and OT(none). Seeds DS 6 m were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Plantago p. 66. 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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