Quill fameflower stores water in its fleshy, succulent leaves and has almost no root system, which makes it very drought tolerant and suited to rocky, sandy soil. It can fertilize itself.Wikipedia: Phemeranthus teretifolius
This source reports 8 treatments. All are shown.
Protocol 1
DerivedN. C. Deno, 1993
Difficulty LowRated by us, not by the source.
Start around July 6, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 5, 2026.
1
Dry storage
Duration: 180 days · Temperature: 70°F 21°C
2
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
3
Sow on the surface — do not cover
Temperature: 70°F 21°C · Light: light
90%, on the fourth day.
about 9 months from start to sowing. Then 4 days to germinate.
90% germination in 4 days.
90%, all of it on the fourth day -- the best of eight by a wide margin. Seed dry-stored six months at 70.
Protocol 2
DerivedN. C. Deno, 1993
Difficulty ModerateRated by us, not by the source.
Start around December 31, 2026 for a May 3 last frost.
1
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
2
Sow on the surface — do not cover
Temperature: 70°F 21°C · Light: light
about 3 months from start to sowing. Then 5 days to germinate.
47% germination in 3–5 days.
Fresh seed needs both halves: three months cold and then light. Deno's fresh seed.
Protocol 3
DerivedN. C. Deno, 1993
Difficulty ModerateRated by us, not by the source.
Start around September 24, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 23, 2026.
1
Dry storage
Duration: 180 days · Temperature: 70°F 21°C
2
Sow on the surface — do not cover
Temperature: 70°F 21°C · Light: light
about 6 months from start to sowing. Then 14 days to germinate.
27% germination in 14 days.
Dry storage stands in for some of the cold: 27% with no chilling at all, against 1% fresh. Seed dry-stored six months at 70.
Protocol 4
DerivedN. C. Deno, 1993
Difficulty Very highRated 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
Dry storage
Duration: 180 days · Temperature: 70°F 21°C
2
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
3
Sow and cover
Temperature: 70°F 21°C · Light: dark
about 9 months from start to sowing. Germination time not stated; 21 days assumed.
5% germination.
Storage lifts the dark result off zero, and nowhere near the lit one. Seed dry-stored six months at 70.
Protocol 5
DerivedN. C. Deno, 1993
Difficulty Very highRated by us, not by the source.
Start around March 15, 2027 for a May 3 last frost.
1
Sow on the surface — do not cover
Temperature: 70°F 21°C · Light: light
No stated waiting before sowing. Germination time not stated; 21 days assumed.
1% germination.
1%. Light without the cold gets fresh seed almost nowhere. Deno's fresh seed.
Protocol 6
DerivedN. C. Deno, 1993
Difficulty Very highRated by us, not by the source.
Start around December 15, 2026 for a May 3 last frost.
1
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
2
Sow and cover
Temperature: 70°F 21°C · Light: dark
about 3 months from start to sowing. Germination time not stated; 21 days assumed.
1% germination.
1%. The cold is no use without the light. Deno's fresh seed.
Protocol 7
DerivedN. C. Deno, 1993
1
Sow and cover
Temperature: 70°F 21°C · Light: dark
Nothing.
No stated waiting before sowing.
0% germination.
Nothing -- neither of the two things it needs. Deno's fresh seed.
Protocol 8
DerivedN. C. Deno, 1993
1
Dry storage
Duration: 180 days · Temperature: 70°F 21°C
2
Sow and cover
Temperature: 70°F 21°C · Light: dark
Nothing.
about 6 months from start to sowing.
0% germination.
Nothing in the dark, stored or fresh. Seed dry-stored six months at 70.