Deno’s GardenMy Garden

Cannabis sativa

Hashish · Hemp · Marijuana

Family CannabaceaeGenus Cannabis

The top of a leafy plant with palmate leaves of narrow toothed leaflets and a pale flowering tip
The whole plantThayne TuasonCC BY-SA 4.0

About the plant

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

Habit
annualPlants of the World Online
Habit
Annual, Forb/herbPLANTS Database
Native range
Afghanistan, Kazakhstan, KirgizstanGBIF Backbone Taxonomy

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

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Sativa means cultivated. Grown throughout recorded history for fiber, seed oil, food and medicine. Wikipedia: Cannabis sativa
  • Day length controls it: it needs more than 16 to 18 hours of light a day to keep growing leaves, and usually flowers once nights reach 12 hours. Wikipedia: Cannabis sativa

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around October 9, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on October 8, 2025.

  1. Dry storage

    Duration: 540 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 18 months from start to sowing. Then 4 days to germinate.

57% germination in 4 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cannabis p. 28Public domain
Show the original text
Cannabis (Moraceae). C. sativa seeds DS about 8 m germ. 90% in 2-4 d in 70D, 70L, or 70 GA-3. Seeds DS 18 m germ. 70D(57% on 4th d) and seeds DS 2 y germ. 70D(9% on 6th d) indicating a half-life of about 20 m.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cannabis p. 28. 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 October 7, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on October 6, 2025.

  1. Dry storage

    Duration: 540 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 18 months from start to sowing. Then 6 days to germinate.

9% germination in 6 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cannabis p. 28Public domain
Show the original text
Cannabis (Moraceae). C. sativa seeds DS about 8 m germ. 90% in 2-4 d in 70D, 70L, or 70 GA-3. Seeds DS 18 m germ. 70D(57% on 4th d) and seeds DS 2 y germ. 70D(9% on 6th d) indicating a half-life of about 20 m.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cannabis p. 28. 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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