Deno’s Garden

Calandrinia umbellata

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.

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: 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.

No stated waiting before sowing. Then 70 days to germinate.

84% germination in 49–70 days.

This source doesn't state how long.

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.