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Primula bullata

Primrose

Family PrimulaceaeGenus Primula

A rosette of crinkled, scalloped leaves with stalks of yellow primrose flowers against an earth bank
The whole plantToby YCC BY 4.0

About the plant

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

Habit
perennial or subshrubPlants of the World Online
Flower
Deep yellowFlora of China
Native range
China South-Central, TibetGBIF 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; Flora of China — Wu Zhengyi, Peter H. Raven and Hong Deyuan (eds.); GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Protocol

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

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

60% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Primula p. 197Public domain
Show the original text
Primula. (Primulaceae). The discovery of a photorequirement in P. forrestii (B) germ. 70L(3/5 in 3rd w), 70D,GA-3(317 in 4th w), and 70D(217 in 2nd and 6th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Primula p. 197. 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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