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Clinopodium alpinum

Rock Thyme

Family LamiaceaeGenus Clinopodium

Violet two-lipped flowers with white throats, among small rounded leaves and dark red calyces
FlowerBalles2601 (iNaturalist profile: Balles2601)CC 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
Flower
PurpleRead from the photograph on this page
Native range
Albania, Algeria, Austria, Bulgaria, Czechia-Slovakia, East Aegean Is. 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; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Rock thyme can be brewed into a tea, and it is sometimes used in pharmacology for its sweat-inducing and fever-reducing properties. Wikipedia: Clinopodium alpinum

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 15, 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 21 days to germinate.

33% germination in 21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Acinos p. 15Public domain
Show the original text
Acinos (Lamiaceae). A. alpinus germ. 70L (32% in 3-16 d), 70 GA-3 (33% in 3rd w), 70D(14% in 8-11 w), and 40-70D(27%).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Acinos p. 15. 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 Moderate Rated by us, not by the source.

Start around March 20, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 16 days to germinate.

32% germination in 3–16 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Acinos p. 15Public domain
Show the original text
Acinos (Lamiaceae). A. alpinus germ. 70L (32% in 3-16 d), 70 GA-3 (33% in 3rd w), 70D(14% in 8-11 w), and 40-70D(27%).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Acinos p. 15. 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 High Rated by us, not by the source.

Start around December 15, 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; time not stated, 21 days assumed.

27% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Acinos p. 15Public domain
Show the original text
Acinos (Lamiaceae). A. alpinus germ. 70L (32% in 3-16 d), 70 GA-3 (33% in 3rd w), 70D(14% in 8-11 w), and 40-70D(27%).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Acinos p. 15. 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 High Rated by us, not by the source.

Start around January 18, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 77 days to germinate.

14% germination in 56–77 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Acinos p. 15Public domain
Show the original text
Acinos (Lamiaceae). A. alpinus germ. 70L (32% in 3-16 d), 70 GA-3 (33% in 3rd w), 70D(14% in 8-11 w), and 40-70D(27%).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Acinos p. 15. 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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