Deno’s GardenMy Garden

Cytisus decumbens

Prostrate Broom

Family FabaceaeGenus Cytisus

A low spreading bush smothered in small bright yellow pea flowers along wiry green stems
The whole plantH. ZellCC BY-SA 3.0

About the plant

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

Habit
subshrubPlants of the World Online
Flower
YellowRead from the photograph on this page
Native range
Albania, France, Greece, Italy, NW. Balkan Pen., Spain 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; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around December 16, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 3 months from start to step 2. Germination happens during step 2, in 20 days.

75% germination in 3–20 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Genista p. 145Public domain
Show the original text
Genista (Fabaceae). G. decumbens germ. 70(50% in 4th w) and 40-70(75% in 3-20 d). Light and GA- 3 were not studied. Many names in seed exchange lists turnout to be this species.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Genista p. 145. 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 Moderate Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 28 days to germinate.

50% germination in 28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Genista p. 145Public domain
Show the original text
Genista (Fabaceae). G. decumbens germ. 70(50% in 4th w) and 40-70(75% in 3-20 d). Light and GA- 3 were not studied. Many names in seed exchange lists turnout to be this species.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Genista p. 145. 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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