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Frankenia thymifolia

Thyme Seaheath

Family FrankeniaceaeGenus Frankenia

A low gray-green subshrub of fine heather-like shoots flushed purple, in dry grass
The whole plantGiacomo BraschiCC BY-SA 4.0

About the plant

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

Habit
subshrubPlants of the World Online
Native range
Algeria, Morocco, Spain, Tunisia, Western SaharaGBIF 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; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around April 2, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 3 days to germinate.

100% germination in 3 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Frankenia p. 44Public domain
Show the original text
Frankenia (Frankeniaceae). F. thymifolia germ. 70D(100% on 3rd d), 40(80%), and OT(100% in March). Light or GA-3 had no effect.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Frankenia p. 44. 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.

  1. Sow outdoors and leave it

    Up in March.

No stated waiting before sowing.

100% germination.

This source doesn't state how long step 1 lasts.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Frankenia p. 44Public domain
Show the original text
Frankenia (Frankeniaceae). F. thymifolia germ. 70D(100% on 3rd d), 40(80%), and OT(100% in March). Light or GA-3 had no effect.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Frankenia p. 44. 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 Low Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C Light: either

Germination happens during step 1; time not stated, 21 days assumed.

80% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Frankenia p. 44Public domain
Show the original text
Frankenia (Frankeniaceae). F. thymifolia germ. 70D(100% on 3rd d), 40(80%), and OT(100% in March). Light or GA-3 had no effect.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Frankenia p. 44. 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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