About the plant
What it is and where it grows — not part of any germination protocol.
- Native range
- Algeria, Morocco, Spain, TunisiaGBIF Backbone Taxonomy
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Source: GBIF Backbone Taxonomy — Global Biodiversity Information Facility.
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty High Rated by us, not by the source.
Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.
- 1
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: dark
14 germinated in this phase.
- 2
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
about 6 months from start to sowing. Then 21 days to germinate.
28% germination in 21 days.
Protocol 2
DerivedN. C. Deno, 1993Difficulty High Rated by us, not by the source.
Start around June 19, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 18, 2026.
- 1
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
- 2
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C
- 3
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
about 9 months from start to sowing. Germination time not stated; 21 days assumed.
14% germination.
How each step is done, in Deno’s words, and what Verified and Derived mean.
