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Humulus lupulus

Bine · Common Hop · Common Hops

Family CannabaceaeGenus Humulus

A sprawling mound of vines with three-lobed toothed leaves and loose sprays of tiny greenish flowers in grass
The whole plantNo machine-readable author provided. Rasbak assumed (based on copyright claims).CC BY-SA 3.0

About the plant

What it is and where it grows — not part of any germination protocol.

The plant

Habit
Herbaceous Perennial, VineExtension Gardener Plant Toolbox
Habit
climbing perennialPlants of the World Online
Height
15-20 ft4.6-6.1 mExtension Gardener Plant Toolbox
Spread
3-6 ft0.9-1.8 mExtension Gardener Plant Toolbox
Flower
Gold/Yellow, Green, WhiteExtension Gardener Plant Toolbox
Blooms
Fall, SummerExtension Gardener Plant Toolbox
Native range
Albania, Altay, Austria, Baltic States, Belarus, Belgium and elsewhereGBIF Backbone Taxonomy
Hardiness zones
5-8Extension Gardener Plant Toolbox

Growing conditions

Sun
Full sun; Partial ShadeExtension Gardener Plant Toolbox
Soil
Loam (Silt)Extension Gardener Plant Toolbox
Soil pH
Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0)Extension Gardener Plant Toolbox
Moisture
Good Drainage, Moist, Occasionally WetExtension Gardener Plant Toolbox

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Extension Gardener Plant Toolbox — NC State Extension; Plants of the World Online — Royal Botanic Gardens, Kew; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

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 March 15, 2027 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.

Germination happens during step 1; 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.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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