Deno’s Garden

Hymenosporum flavum

Genus Hymenosporum

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around August 27, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 26, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

about 6 months from start to sowing. Then 42 days to germinate.

83% germination in 21–42 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Hymenosporum p. 49Public domain
Show the original text
Hymenosporum (Pittosporaceae). H. flavum germ. 70L(83% in 3-6 w) 70 GA-3(50% in 4th w), and 70D{9%) using seeds DS 6 m. Seeds that had been given 6 m of other treatments germ. 3/4 in 4th w after treating with GA-3.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Hymenosporum p. 49. 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, 1996

Difficulty Moderate Rated by us, not by the source.

Start around September 10, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 9, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Gibberellic acid soak

  3. Sow and cover

    Temperature: 70°F 21°C

about 6 months from start to sowing. Then 28 days to germinate.

50% germination in 28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Hymenosporum p. 49Public domain
Show the original text
Hymenosporum (Pittosporaceae). H. flavum germ. 70L(83% in 3-6 w) 70 GA-3(50% in 4th w), and 70D{9%) using seeds DS 6 m. Seeds that had been given 6 m of other treatments germ. 3/4 in 4th w after treating with GA-3.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Hymenosporum p. 49. 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.