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Psathyrotes pilifera

Hairybeast Turtleback

Family AsteraceaeGenus Psathyrotes

A low rounded mound of fuzzy, gray-green, toothed leaves on bare red soil
The whole plantDylan C ThomasCC0

About the plant

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

Habit
Annual, Forb/herbPLANTS Database
Flower
Yellow, purplishFlora of North America
Native range
Arizona, Nevada, UtahGBIF Backbone Taxonomy

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

Sources: PLANTS Database — USDA NRCS; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1; time not stated, 21 days assumed.

67% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Psathyrotes p. 68Public domain
Show the original text
Psathyrotes (Asteraceae). P. pilifera germ. 40(2/3 in 9th W),''1/6 in outdoor treatment, and 70D(none).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Psathyrotes p. 68. 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 High Rated by us, not by the source.

  1. Sow outdoors and leave it

No stated waiting before sowing.

17% germination.

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

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Psathyrotes p. 68Public domain
Show the original text
Psathyrotes (Asteraceae). P. pilifera germ. 40(2/3 in 9th W),''1/6 in outdoor treatment, and 70D(none).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Psathyrotes p. 68. 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.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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