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Pedicularis rainierensis

Mount Rainier Lousewort · Mt. Rainier Lousewort

Family OrobanchaceaeGenus Pedicularis

A spike of yellow hooded flowers with beaked upper lips, rising from brownish bracts against a deep blue sky.
FlowerBen CodyCC BY-SA 3.0

About the plant

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

Habit
hemiparasitic perennialPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
YellowishWikipedia
Native range
WashingtonGBIF 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; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

Two sources report three treatments between them. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around March 8, 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 28 days to germinate.

72% germination in 7–28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Pedicularis p. 64Public domain
Show the original text
Pedicularis (Scrophulariaceae). P. rainierensis germ. only in 70 GA-3(72% in 1-4 w)(2nd Ed.). It is now found that seeds are dead after 2 y DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Pedicularis p. 64. 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 Low Rated by us, not by the source.

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

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

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

72% germination in 7–28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Pedicularis p. 187Public domain
Show the original text
Pedicularis (Scrophulariaceae). P. rainierensis germ. 70D GA-3(72% in 1-4 w) and none in 70D, 70L, or 40.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Pedicularis p. 187. 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

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Pedicularis p. 187Public domain
Show the original text
Pedicularis (Scrophulariaceae). P. rainierensis germ. 70D GA-3(72% in 1-4 w) and none in 70D, 70L, or 40.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Pedicularis p. 187. 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

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