Inula ensifolia
Swordleaf Inula
About the plant
What it is and where it grows — not part of any germination protocol.
- Native range
- Albania, Austria, Belarus, Belgium, Bosnia-Herzegovina, Bulgaria and elsewhere
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 Low
Start around March 21, 2027 for a May 3 last frost.
Sow and cover
Temperature: 70°F 21°C Light: dark
No stated waiting before sowing. Then 15 days to germinate.
100% germination in 5–15 days.
Fresh seed or six months' dry storage at 70 or 40 -- it made no difference.
Protocol 2
DerivedN. C. Deno, 1993Difficulty Low
Start around March 22, 2027 for a May 3 last frost.
Cold moist stratification
Temperature: 40°F 4°C
Warm moist stratification
Temperature: 70°F 21°C
100% after the move, in 2 days to 2 weeks.
No stated waiting before sowing. Then 14 days to germinate.
100% germination in 2–14 days.
This source doesn't state how long.