Deno’s Garden

Hesperantha bachmannii

Genus Hesperantha

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around August 13, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 12, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Temperature: 40°F 4°C

about 6 months from start to sowing. Then 56 days to germinate.

100% germination in 28–56 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Hesperantha p. 38Public domain
Show the original text
Hesperantha (Iridaceae). Germjnation at 40 is by far the best although some germination will occur at 70D before a shift to 40. H. bachmannii DS 6 m germ. 70D(38% in 2-9 w)-40(62% in 2-4 w), 70L(24%)- 40(52% in 3rd w), and 40(100% in 4-8 w). Seeds DS 2 y germ. 40(7/14 in 4-7 w) and 70D(none).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Hesperantha p. 38. 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 March 14, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 13, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

    38 germinated in this phase.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 12 months from start to sowing. Then 28 days to germinate.

62% germination in 14–28 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Hesperantha p. 38Public domain
Show the original text
Hesperantha (Iridaceae). Germjnation at 40 is by far the best although some germination will occur at 70D before a shift to 40. H. bachmannii DS 6 m germ. 70D(38% in 2-9 w)-40(62% in 2-4 w), 70L(24%)- 40(52% in 3rd w), and 40(100% in 4-8 w). Seeds DS 2 y germ. 40(7/14 in 4-7 w) and 70D(none).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Hesperantha p. 38. 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 Moderate 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. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

    24 germinated in this phase.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 12 months from start to sowing. Then 21 days to germinate.

52% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Hesperantha p. 38Public domain
Show the original text
Hesperantha (Iridaceae). Germjnation at 40 is by far the best although some germination will occur at 70D before a shift to 40. H. bachmannii DS 6 m germ. 70D(38% in 2-9 w)-40(62% in 2-4 w), 70L(24%)- 40(52% in 3rd w), and 40(100% in 4-8 w). Seeds DS 2 y germ. 40(7/14 in 4-7 w) and 70D(none).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Hesperantha p. 38. 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 Moderate Rated by us, not by the source.

Start around February 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on February 15, 2025.

  1. Dry storage

    Duration: 730 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Temperature: 40°F 4°C

about 2 years from start to sowing. Then 49 days to germinate.

50% germination in 28–49 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Hesperantha p. 38Public domain
Show the original text
Hesperantha (Iridaceae). Germjnation at 40 is by far the best although some germination will occur at 70D before a shift to 40. H. bachmannii DS 6 m germ. 70D(38% in 2-9 w)-40(62% in 2-4 w), 70L(24%)- 40(52% in 3rd w), and 40(100% in 4-8 w). Seeds DS 2 y germ. 40(7/14 in 4-7 w) and 70D(none).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Hesperantha p. 38. 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.