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Arctomecon californicum

Genus Arctomecon

Also published as Arctomecon californica. You are in the right place.

A rosette of thick silver-white woolly leaves on red desert sand, throwing up many stems of bright yellow poppies.
The whole plantStan ShebsCC BY-SA 3.0

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

  1. Sow outdoors and leave it

    Up in January.

No stated waiting before sowing.

29% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Arctomecon p. 21Public domain
Show the original text
Arctomecon (Papaveraceae). A. californica germ. 70 GA-3{3/8 in 5th w), - OT(2/7 in Jan.), and none in 70D, 70L, or 40. OS needs to be tried. There was no further germination in the 70 GA-3 treatment after a shift to 40 for 3 m and a return to 70. Samples of A. californica and
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Arctomecon p. 21. 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

  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, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Arctomecon p. 21Public domain
Show the original text
Arctomecon (Papaveraceae). A. californica germ. 70 GA-3{3/8 in 5th w), - OT(2/7 in Jan.), and none in 70D, 70L, or 40. OS needs to be tried. There was no further germination in the 70 GA-3 treatment after a shift to 40 for 3 m and a return to 70. Samples of A. californica and
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Arctomecon p. 21. 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.

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