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Galitzkya macrocarpa

Altai Wing-seed Cress

Family BrassicaceaeGenus Galitzkya

A low clump of spoon-shaped, silvery gray-green leaves among reddish volcanic stones
The whole plantPictured: Galitzkya spathulata, a relativeMaxim ShashkovCC BY 4.0

About the plant

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

Native range
AltayGBIF Backbone Taxonomy

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Source: GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

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 April 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 4 days to germinate.

100% germination in 2–4 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Ptilotrichum p. 69Public domain
Show the original text
Ptilotrichum (Brassicaceae). P. macrocarpum germ. 70D(100% in 2-4 d).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Ptilotrichum p. 69. 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 26, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 10 days.

95% germination in 8–10 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Ptilotrichum p. 202Public domain
Show the original text
Ptilotrichum (Brassicaceae). P. macrocarpum germ. 40(95% in 8-10 d) and 70(70%, md. 1 4 d, 20/o/d). Seed DS 6 m at 70 gave markedly lower germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ptilotrichum p. 202. 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

Difficulty Low Rated by us, not by the source.

Start around April 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 4 days to germinate.

70% germination in 4 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Ptilotrichum p. 202Public domain
Show the original text
Ptilotrichum (Brassicaceae). P. macrocarpum germ. 40(95% in 8-10 d) and 70(70%, md. 1 4 d, 20/o/d). Seed DS 6 m at 70 gave markedly lower germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ptilotrichum p. 202. 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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