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Eriolarynx australis

Argentine Pear

Family SolanaceaeGenus Eriolarynx

Also published as Iochroma australe. You are in the right place.

Violet-blue trumpet flowers with flaring frilled mouths, hanging in numbers from a woody climbing stem with glossy oval leaves.
FlowerDick Culbert from Gibsons, B.C., CanadaCC BY 2.0

About the plant

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

Habit
shrubPlants of the World Online
Flower
Pale violet-blueWikipedia
Native range
Argentina Northwest, BoliviaGBIF 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; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Mini angel's trumpet, from Bolivia and northwest Argentina, is still widely listed as Iochroma australe. It holds the RHS Award of Garden Merit. Wikipedia: Eriolarynx australis

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around February 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 49 days to germinate.

75% germination in 14–49 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Acnistus p. 10Public domain
Show the original text
Acnistus (Solanaceae). A. australis germ. 70D(30% in 3-7 w) and 70L(75% in 2-7 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Acnistus p. 10. 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, 1998

Difficulty Moderate Rated by us, not by the source.

Start around February 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 49 days to germinate.

30% germination in 21–49 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Acnistus p. 10Public domain
Show the original text
Acnistus (Solanaceae). A. australis germ. 70D(30% in 3-7 w) and 70L(75% in 2-7 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Acnistus p. 10. 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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