Deno’s Garden

Asphodelus aestivus

Genus Asphodelus

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around August 20, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 19, 2026.

  1. Warm moist stratification

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

    1/6 germinated in this phase.

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 6 months from start to sowing. Then 49 days to germinate.

83% germination in 49 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Asphodelus p. 16Public domain
Show the original text
Asphodelus (Liliaceae). A. aestivus germ. 70D(2/5 in 7th w)-40(2/5 in 8th w), 70L(1/6 in 12th w)-40(5/6 in 7th w), and 40(6/8 in 10-12 w)-70D(2/8 in 1-3 d). . ,
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Asphodelus p. 16. 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 October 13, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

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

    2/8 germinated in this phase.

Steps after step 1 run on after germination.

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

75% germination in 70–84 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Asphodelus p. 16Public domain
Show the original text
Asphodelus (Liliaceae). A. aestivus germ. 70D(2/5 in 7th w)-40(2/5 in 8th w), 70L(1/6 in 12th w)-40(5/6 in 7th w), and 40(6/8 in 10-12 w)-70D(2/8 in 1-3 d). . ,
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Asphodelus p. 16. 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 November 17, 2026 for a May 3 last frost.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    2/5 germinated in this phase.

Steps after step 1 run on after germination.

about 3 months from start to sowing. Then 49 days to germinate.

40% germination in 49 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Asphodelus p. 16Public domain
Show the original text
Asphodelus (Liliaceae). A. aestivus germ. 70D(2/5 in 7th w)-40(2/5 in 8th w), 70L(1/6 in 12th w)-40(5/6 in 7th w), and 40(6/8 in 10-12 w)-70D(2/8 in 1-3 d). . ,
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Asphodelus p. 16. 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.