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Wyethia sagittata

Arrowleaf Balsamroot

Family AsteraceaeGenus Wyethia

A dense clump of yellow daisies with long arrow-shaped gray-green leaves, in sandy ground between sagebrush.
The whole plantJim Morefield from Nevada, USACC BY-SA 2.0

About the plant

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

Flower
Bright yellowWikipedia
Native range
Alberta, Arizona, British Columbia, California, Colorado, Idaho and elsewhereGBIF Backbone Taxonomy

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

Sources: Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

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

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 21 days to germinate.

22% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Balsamorhiza p. 106Public domain
Show the original text
Balsamorhiza (Asteraceae). . B. sagitatta germ. 70(2/9 in 3rd w) if treated with GA-3 and 70(0/7) if untreated. It is possible that the sample treated with GA-3 contained the only two viable seeds. In any event the seedlings were normal and healthy.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Balsamorhiza p. 106. 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 Very high Rated by us, not by the source.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing.

0% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Balsamorhiza p. 106Public domain
Show the original text
Balsamorhiza (Asteraceae). . B. sagitatta germ. 70(2/9 in 3rd w) if treated with GA-3 and 70(0/7) if untreated. It is possible that the sample treated with GA-3 contained the only two viable seeds. In any event the seedlings were normal and healthy.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Balsamorhiza p. 106. 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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