Deno’s Garden

Humulus lupulus

Genus Humulus

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 28 days to germinate.

23% germination in 7–28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Humulus p. 49Public domain
Show the original text
Humulus (Moraceae). H. lupulus germ. 70 GA-3(23% in 1-4 w), 70L(none) 70D{2%)-40-70D{20% in 1-3 d), and 40(6%)-70D{53% in 1-4 w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Humulus 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 Very high Rated by us, not by the source.

Start around December 15, 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

Steps after step 1 run on after germination.

about 3 months from start to sowing. Germination time not stated; 21 days assumed.

6% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Humulus p. 49Public domain
Show the original text
Humulus (Moraceae). H. lupulus germ. 70 GA-3(23% in 1-4 w), 70L(none) 70D{2%)-40-70D{20% in 1-3 d), and 40(6%)-70D{53% in 1-4 w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Humulus 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.