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Saxifraga hirculus

Marsh Saxifrage · Yellow Marsh Saxifrage

Family SaxifragaceaeGenus Saxifraga

Yellow star-shaped flowers held singly on short reddish stems, scattered across a wet mat of small dark leaves and grass.
FlowerVictor M. Vicente SelvasCC 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
YellowFlora of North America
Native range
Afghanistan, Alaska, Aleutian Is., Altay, Austria, Baltic States and elsewhereGBIF Backbone Taxonomy

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; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around March 22, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 14 days.

20% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Saxifraga p. 211Public domain
Show the original text
Saxifraga (Saxifragaceae). The stimulation of germination by GA-3 in S. hirculus germ. 40(2/10 in 2nd w)and none at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Saxifraga p. 211. 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 High Rated by us, not by the source.

Start around March 22, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 14 days to germinate.

20% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Saxifraga p. 211Public domain
Show the original text
Saxifraga (Saxifragaceae). The stimulation of germination by GA-3 in S. hirculus germ. 40(2/10 in 2nd w)and none at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Saxifraga p. 211. 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

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Saxifraga p. 211Public domain
Show the original text
Saxifraga (Saxifragaceae). The stimulation of germination by GA-3 in S. hirculus germ. 40(2/10 in 2nd w)and none at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Saxifraga p. 211. 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.

Germination trials

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

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