Deno’s Garden

Libertia ixioides

Genus Libertia

This source reports 5 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty High Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: light

    15 germinated in this phase.

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

    6 germinated in this phase.

Steps after step 2 run on after germination.

about 6 months from start to sowing. Then 21 days to germinate.

50% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Libertia p. 44Public domain
Show the original text
Libertia (Iridaceae). L. ixioides germ. 70D-40(1/33 in 9th w), 70L(15% in 4-12 w)-40(50% in 3rd w)- 70D(6%), 40-70D-40-70D(2/13), and 40-70L-40{2/7). A sample DS 3 y germ. 70D(38% in 4-12 w) and 40(18% in 8th w)-70D(18% in 1-7 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Libertia p. 44. 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 January 12, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on January 12, 2024.

  1. Dry storage

    Duration: 1095 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 3 years from start to sowing. Then 84 days to germinate.

38% germination in 28–84 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Libertia p. 44Public domain
Show the original text
Libertia (Iridaceae). L. ixioides germ. 70D-40(1/33 in 9th w), 70L(15% in 4-12 w)-40(50% in 3rd w)- 70D(6%), 40-70D-40-70D(2/13), and 40-70L-40{2/7). A sample DS 3 y germ. 70D(38% in 4-12 w) and 40(18% in 8th w)-70D(18% in 1-7 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Libertia p. 44. 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 3

DerivedN. C. Deno, 1998

Difficulty High Rated by us, not by the source.

Start around November 11, 2026 for a May 3 last frost. Too late for spring 2027 — that needed starting on November 11, 2023.

  1. Dry storage

    Duration: 1095 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

    18 germinated in this phase.

Steps after step 2 run on after germination.

about 3 years from start to sowing. Then 56 days to germinate.

18% germination in 56 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Libertia p. 44Public domain
Show the original text
Libertia (Iridaceae). L. ixioides germ. 70D-40(1/33 in 9th w), 70L(15% in 4-12 w)-40(50% in 3rd w)- 70D(6%), 40-70D-40-70D(2/13), and 40-70L-40{2/7). A sample DS 3 y germ. 70D(38% in 4-12 w) and 40(18% in 8th w)-70D(18% in 1-7 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Libertia p. 44. 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 4

DerivedN. C. Deno, 1998

Difficulty High Rated by us, not by the source.

Start around March 21, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 20, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  4. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

about 12 months from start to sowing. Germination time not stated; 21 days assumed.

15% germination.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Libertia p. 44Public domain
Show the original text
Libertia (Iridaceae). L. ixioides germ. 70D-40(1/33 in 9th w), 70L(15% in 4-12 w)-40(50% in 3rd w)- 70D(6%), 40-70D-40-70D(2/13), and 40-70L-40{2/7). A sample DS 3 y germ. 70D(38% in 4-12 w) and 40(18% in 8th w)-70D(18% in 1-7 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Libertia p. 44. 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 5

DerivedN. C. Deno, 1998

Difficulty Very high Rated by us, not by the source.

Start around August 6, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 5, 2026.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 6 months from start to sowing. Then 63 days to germinate.

3% germination in 63 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Libertia p. 44Public domain
Show the original text
Libertia (Iridaceae). L. ixioides germ. 70D-40(1/33 in 9th w), 70L(15% in 4-12 w)-40(50% in 3rd w)- 70D(6%), 40-70D-40-70D(2/13), and 40-70L-40{2/7). A sample DS 3 y germ. 70D(38% in 4-12 w) and 40(18% in 8th w)-70D(18% in 1-7 w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Libertia p. 44. 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.