Hylotelephium telephioides
Genus Hylotelephium
This source reports 4 treatments. All are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty Low Rated by us, not by the source.
Start around March 17, 2027 for a May 3 last frost.
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Sow and cover
Temperature: 70°F 21°C · Light: dark
No stated waiting before sowing. Then 19 days to germinate.
100% germination in 10–19 days.
Protocol 2
DerivedN. C. Deno, 1993Difficulty High Rated by us, not by the source.
Start around March 8, 2027 for a May 3 last frost.
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Sow and cover
Temperature: 70°F 21°C · Light: light
No stated waiting before sowing. Then 28 days to germinate.
24% germination in 7–28 days.
Protocol 3
DerivedN. C. Deno, 1993Difficulty High Rated by us, not by the source.
Start around September 23, 2026 for a May 3 last frost.
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Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
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Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: light
about 6 months from start to sowing. Then 14 days to germinate.
20% germination in 14 days.
Protocol 4
DerivedN. C. Deno, 1993Difficulty Very high Rated by us, not by the source.
Start around March 15, 2027 for a May 3 last frost.
- 1
Sow and cover
Temperature: 70°F 21°C · Light: dark
No stated waiting before sowing. Germination time not stated; 21 days assumed.
5% germination.