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About the plant What it is and where it grows — not part of any germination protocol.
Habit tuberous geophyte Plants of the World Online
Flower Orange Read from the photograph on this page
Native range Argentina South, Chile Central, Chile South GBIF 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; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.
Worth knowing This and other alstroemerias are often called Peruvian lilies, though most of them, this one included, are not native to Peru; it comes from Chile and Argentina. It is one of the hardiest alstroemerias, surviving −10 °C. Wikipedia: Alstroemeria aurea This source reports two treatments. Both are shown.
Protocol 1 N. C. Deno, 1993 Difficulty Low Rated by us, not by the source.
Start around July 30, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 29, 2026.
1 Dry storage
Duration: 180 days · Temperature: 70°F 21°C
2 Sow and cover
Temperature: 70°F 21°C
about 6 months from start to sowing. Then 70 days to germinate.
100% germination in 35–70 days.
Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Alstroemeria p. 92Public domain Show the original text Alstroemeria (Amaryllidaceae). Four samples of wild collected seeds were obtained from the Archibalds. All four samples were collected in altitudes of 5000-8000 feet so that they may be hardy here and provide the basis for further efforts to breed hardy Alstroemerias. Already Don Hackenberry has two fine clones that have survived several winters in Central Pennsylvania. Germination is generally best at 40 with a prior 4 w at 70 sometimes improving the germinaton. A. aurantiaca showed two Unusual features in its germination. Although both fresh seed and DS seed gave good germination, germination occurred in contrasting patterns. Fresh seed germ. 70-40(3/4 in 3rdw) whereas seed DS 6 m at 70 germ. 70(4/4 in 5-10 w). The long induction period for seed germinating directly at 70 is unusual, and inhibitors must be present. Germination is hypogeal. Seed Germination Theory and Practice, 2nd ed., Ch. 20, Alstroemeria p. 92. 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 N. C. Deno, 1993 Difficulty Moderate Rated by us, not by the source.
Start around December 15, 2026 for a May 3 last frost.
1 Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C
2 Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
about 3 months from start to step 2. Germination happens during step 2, in 21 days.
75% germination in 21 days.
Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Alstroemeria p. 92Public domain Show the original text Alstroemeria (Amaryllidaceae). Four samples of wild collected seeds were obtained from the Archibalds. All four samples were collected in altitudes of 5000-8000 feet so that they may be hardy here and provide the basis for further efforts to breed hardy Alstroemerias. Already Don Hackenberry has two fine clones that have survived several winters in Central Pennsylvania. Germination is generally best at 40 with a prior 4 w at 70 sometimes improving the germinaton. A. aurantiaca showed two Unusual features in its germination. Although both fresh seed and DS seed gave good germination, germination occurred in contrasting patterns. Fresh seed germ. 70-40(3/4 in 3rdw) whereas seed DS 6 m at 70 germ. 70(4/4 in 5-10 w). The long induction period for seed germinating directly at 70 is unusual, and inhibitors must be present. Germination is hypogeal. Seed Germination Theory and Practice, 2nd ed., Ch. 20, Alstroemeria p. 92. 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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