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Bloomeria crocea

Common Goldenstar · Goldenstar

Family AsparagaceaeGenus Bloomeria

A single yellow six-petalled star flower with a dark stripe down each petal and white-tipped stamens
FlowerEric in SFCC BY-SA 3.0

About the plant

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

Habit
bulbous geophytePlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
YellowFlora of North America
Native range
California, Mexico NorthwestGBIF 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 two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

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

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 35 days.

100% germination in 35 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Bloomeria p. 25Public domain
Show the original text
Bloomeria (Liliaceae). B. crocea germ. 40(4/4 in 5th w) and 70D(2/4 in 2nd w)-40(1/4 in 3rd w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Bloomeria p. 25. 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 Moderate Rated by us, not by the source.

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

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    1/4 germinated in this phase.

Steps after step 1 run on after germination.

Germination happens during step 1, in 14 days.

50% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Bloomeria p. 25Public domain
Show the original text
Bloomeria (Liliaceae). B. crocea germ. 40(4/4 in 5th w) and 70D(2/4 in 2nd w)-40(1/4 in 3rd w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Bloomeria p. 25. 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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