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Alchemilla alpina

Alpine Lady's-mantle · Mountain Lady's-mantle

Family RosaceaeGenus Alchemilla

A dense mat of small fan-shaped leaves cut into narrow silver-edged fingers, with sprays of tiny yellow-green flowers
The whole plantS. Rae from Scotland, UKCC BY 2.0

About the plant

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

Habit
perennialPlants of the World Online
Flower
GreenWikipedia

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.

This source reports 6 treatments. All are shown.

Protocol 1

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. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Alternating temperatures

    Temperature: 40–70°F 4–21°C

about 6 months from start to step 3. Germination happens during step 3, in 28 days.

36% germination in 28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Alchemilla p. 17Public domain
Show the original text
Alchemilla (Rosaceae). In retrospect it is likely that OS may be the best treatment for the five species studied atthough, unfortunately, OS was not trled initiallly on any of the five. In the 2nd Ed. A. alpina germ. 70D-40-OS(36% in 4th w), 70L-40-OS(15% in 3rd w), 70D-40- 70D(15% in 4th w), 70 GA-3-40(10%), 40-70D-40-70D(10% on 6th d), and none in OT after one y.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Alchemilla p. 17. 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 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. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Alternating temperatures

    Temperature: 40–70°F 4–21°C

about 6 months from start to step 3. Germination happens during step 3, in 21 days.

15% germination in 21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Alchemilla p. 17Public domain
Show the original text
Alchemilla (Rosaceae). In retrospect it is likely that OS may be the best treatment for the five species studied atthough, unfortunately, OS was not trled initiallly on any of the five. In the 2nd Ed. A. alpina germ. 70D-40-OS(36% in 4th w), 70L-40-OS(15% in 3rd w), 70D-40- 70D(15% in 4th w), 70 GA-3-40(10%), 40-70D-40-70D(10% on 6th d), and none in OT after one y.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Alchemilla p. 17. 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 September 10, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 9, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

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

about 6 months from start to step 3. Germination happens during step 3, in 28 days.

15% germination in 28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Alchemilla p. 17Public domain
Show the original text
Alchemilla (Rosaceae). In retrospect it is likely that OS may be the best treatment for the five species studied atthough, unfortunately, OS was not trled initiallly on any of the five. In the 2nd Ed. A. alpina germ. 70D-40-OS(36% in 4th w), 70L-40-OS(15% in 3rd w), 70D-40- 70D(15% in 4th w), 70 GA-3-40(10%), 40-70D-40-70D(10% on 6th d), and none in OT after one y.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Alchemilla p. 17. 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 July 4, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 3, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

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

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

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

about 9 months from start to step 4. Germination happens during step 4, in 6 days.

10% germination in 6 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Alchemilla p. 17Public domain
Show the original text
Alchemilla (Rosaceae). In retrospect it is likely that OS may be the best treatment for the five species studied atthough, unfortunately, OS was not trled initiallly on any of the five. In the 2nd Ed. A. alpina germ. 70D-40-OS(36% in 4th w), 70L-40-OS(15% in 3rd w), 70D-40- 70D(15% in 4th w), 70 GA-3-40(10%), 40-70D-40-70D(10% on 6th d), and none in OT after one y.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Alchemilla p. 17. 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 High Rated by us, not by the source.

Start around December 15, 2026 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

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

10% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Alchemilla p. 17Public domain
Show the original text
Alchemilla (Rosaceae). In retrospect it is likely that OS may be the best treatment for the five species studied atthough, unfortunately, OS was not trled initiallly on any of the five. In the 2nd Ed. A. alpina germ. 70D-40-OS(36% in 4th w), 70L-40-OS(15% in 3rd w), 70D-40- 70D(15% in 4th w), 70 GA-3-40(10%), 40-70D-40-70D(10% on 6th d), and none in OT after one y.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Alchemilla p. 17. 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

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

  1. Sow outdoors and leave it

    Nothing germinated outdoors.

No stated waiting before sowing.

0% germination.

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

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Alchemilla p. 17Public domain
Show the original text
Alchemilla (Rosaceae). In retrospect it is likely that OS may be the best treatment for the five species studied atthough, unfortunately, OS was not trled initiallly on any of the five. In the 2nd Ed. A. alpina germ. 70D-40-OS(36% in 4th w), 70L-40-OS(15% in 3rd w), 70D-40- 70D(15% in 4th w), 70 GA-3-40(10%), 40-70D-40-70D(10% on 6th d), and none in OT after one y.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Alchemilla p. 17. 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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