Deno’s GardenMy Garden

Ramonda myconi

Pyrenean Violet · Pyrenean Ramonda

Family GesneriaceaeGenus Ramonda

Also published as Ramonda myconii. You are in the right place.

Violet flowers with orange centers above crinkled hairy leaves
FlowerIsidre blancCC BY-SA 4.0

About the plant

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

Habit
lithophytePlants of the World Online
Flower
PurpleWikipedia
Native range
France, SpainGBIF 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.

Worth knowing

  • Pyrenean-violet is a relict found only in shady, rocky places in the Pyrenees and north-eastern Spain. It is a resurrection plant, able to survive severe drying out, and it holds the RHS Award of Garden Merit. Wikipedia: Ramonda myconi

This source reports 6 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around June 19, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 18, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 40°F 4°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    Deno gives no length for this period; three months is his standard cycle.

  3. Warm moist stratification

    Temperature: 70°F 21°C

about 9 months from start to step 3. Germination happens during step 3; time not stated, 21 days assumed.

37% germination.

The best of six, and the only one where a cold period helps at all.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, RamondaPublic domain
Show the original text
Ramonda (Gesneriaceae). R. myconi germ. best with seed DS 6 m at 40 in 40-70(37%) and less in 70(19%). Other seed germ. less as shown by 70(4%) and 40-70(none) for fresh seed and 70(11%) and 40-70(none) for seed DS 6 m at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ramonda. 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, 1993

Difficulty 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: 40°F 4°C

  2. Sow and cover

    Temperature: 70°F 21°C

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

19% germination.

Half what the cold period gives, from the same dry-stored seed.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, RamondaPublic domain
Show the original text
Ramonda (Gesneriaceae). R. myconi germ. best with seed DS 6 m at 40 in 40-70(37%) and less in 70(19%). Other seed germ. less as shown by 70(4%) and 40-70(none) for fresh seed and 70(11%) and 40-70(none) for seed DS 6 m at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ramonda. 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, 1993

Difficulty 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

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

11% germination.

Stored at 70 rather than 40 and the seed does worse: 11% against 19%.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, RamondaPublic domain
Show the original text
Ramonda (Gesneriaceae). R. myconi germ. best with seed DS 6 m at 40 in 40-70(37%) and less in 70(19%). Other seed germ. less as shown by 70(4%) and 40-70(none) for fresh seed and 70(11%) and 40-70(none) for seed DS 6 m at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ramonda. 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, 1993

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

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

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Germination time not stated; 21 days assumed.

4% germination.

Fresh seed is the worst option here. Store it dry at 40 for six months first.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, RamondaPublic domain
Show the original text
Ramonda (Gesneriaceae). R. myconi germ. best with seed DS 6 m at 40 in 40-70(37%) and less in 70(19%). Other seed germ. less as shown by 70(4%) and 40-70(none) for fresh seed and 70(11%) and 40-70(none) for seed DS 6 m at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ramonda. 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, 1993

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    Deno gives no length for this period; three months is his standard cycle.

  2. Warm moist stratification

    Temperature: 70°F 21°C

about 3 months from start to step 2. Germination happens during step 2.

0% germination.

Cold first does nothing at all unless the seed was dry-stored at 40 beforehand.

This source doesn't state how long step 2 lasts.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, RamondaPublic domain
Show the original text
Ramonda (Gesneriaceae). R. myconi germ. best with seed DS 6 m at 40 in 40-70(37%) and less in 70(19%). Other seed germ. less as shown by 70(4%) and 40-70(none) for fresh seed and 70(11%) and 40-70(none) for seed DS 6 m at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ramonda. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.

Protocol 6

DerivedN. C. Deno, 1993

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    Deno gives no length for this period; three months is his standard cycle.

  3. Warm moist stratification

    Temperature: 70°F 21°C

about 9 months from start to step 3. Germination happens during step 3.

0% germination.

Nothing. Storage at 70 does not unlock the cold route; storage at 40 does.

This source doesn't state how long step 3 lasts.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, RamondaPublic domain
Show the original text
Ramonda (Gesneriaceae). R. myconi germ. best with seed DS 6 m at 40 in 40-70(37%) and less in 70(19%). Other seed germ. less as shown by 70(4%) and 40-70(none) for fresh seed and 70(11%) and 40-70(none) for seed DS 6 m at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ramonda. 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