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Epilobium anagallidifolium

Alpine Willowherb · Pimpernel Willowherb

Family OnagraceaeGenus Epilobium

A single pink flower on a slender red stem rising from small leaves in a bed of yellow-green moss
FlowerWalter Siegmund (talk)CC BY-SA 3.0

About the plant

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

Habit
perennial or subshrubPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
Pink, rose-purpleFlora of North America
Native range
Alaska, Albania, Alberta, Aleutian Is., Altay, Austria 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; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 28 days to germinate.

61% germination in 28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Epilobium p. 41Public domain
Show the original text
Epilobium (Onagraceae). E. anagallidifolium germ. 70D(55% in 3-6 w), 70L(61% in 4th w), and 40- 70D(41% on 3rd d). Seeds DS 6 m germ. similarly.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Epilobium p. 41. 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 February 22, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 42 days to germinate.

55% germination in 21–42 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Epilobium p. 41Public domain
Show the original text
Epilobium (Onagraceae). E. anagallidifolium germ. 70D(55% in 3-6 w), 70L(61% in 4th w), and 40- 70D(41% on 3rd d). Seeds DS 6 m germ. similarly.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Epilobium p. 41. 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 January 2, 2027 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 3 days.

41% germination in 3 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Epilobium p. 41Public domain
Show the original text
Epilobium (Onagraceae). E. anagallidifolium germ. 70D(55% in 3-6 w), 70L(61% in 4th w), and 40- 70D(41% on 3rd d). Seeds DS 6 m germ. similarly.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Epilobium p. 41. 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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