Deno’s GardenMy Garden

Calandrinia umbellata

Rock Purslane

Family MontiaceaeGenus Calandrinia

Also published as Montiopsis umbellata, Montiopsis gilliesii. You are in the right place.

A low mat of narrow leaves studded with magenta flowers on gravel
The whole plantStan ShebsCC BY-SA 3.0

About the plant

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

Habit
perennial or rhizomatous geophytePlants of the World Online
Flower
MagentaRead from the photograph on this page
Native range
Argentina Northeast, Argentina Northwest, Argentina South, Bolivia, Chile Central, Chile North and elsewhereGBIF Backbone Taxonomy
Note
Two different accepted species have been published under this name.World Flora Online

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; World Flora Online — WFO Consortium.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low 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.

95% germination in 4–14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, CalandriniaPublic domain
Show the original text
Calandrinia (Portulacaceae) C. umbellata germ. 70(95% in 4-14 d) and 40(84% in 7-10 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Calandrinia. 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 Low Rated by us, not by the source.

Start around January 25, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

    Germinates in the cold.

Germination happens during step 1, in 70 days.

84% germination in 49–70 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, CalandriniaPublic domain
Show the original text
Calandrinia (Portulacaceae) C. umbellata germ. 70(95% in 4-14 d) and 40(84% in 7-10 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Calandrinia. 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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