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Oreomecon radicata

Rooted Poppy

Family PapaveraceaeGenus Oreomecon

Also published as Papaver radicatum. You are in the right place.

A single yellow poppy on a slender stalk above a tight rosette of hairy gray-green leaves, wedged among broken rock.
FlowerBerlandCC BY-SA 3.0

About the plant

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

Habit
perennialPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
White, yellowWikipedia
Native range
Alaska, Canada, Greenland, lower 48 statesPLANTS Database

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.

Worth knowing

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low 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.

100% germination in 21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Papaver p. 63Public domain
Show the original text
Papaver (Papaveraceae). KW reports that many species show no sign of dying after 5 y of DS. P. radicatum germ. 70 GA-3(100% in 3rd w) and 30% in April in OT. None germ. in 70D, 70L, or 40-70D. Seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Papaver p. 63. 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.

  1. Sow outdoors and leave it

    Up in April.

No stated waiting before sowing.

30% germination.

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

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Papaver p. 63Public domain
Show the original text
Papaver (Papaveraceae). KW reports that many species show no sign of dying after 5 y of DS. P. radicatum germ. 70 GA-3(100% in 3rd w) and 30% in April in OT. None germ. in 70D, 70L, or 40-70D. Seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Papaver p. 63. 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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