Tellima grandiflora
Fringecup · Fringecups · Big-flowered Fringecup · Bigflower Tellima

About the plant
What it is and where it grows — not part of any germination protocol.
- Habit
- perennialPlants of the World Online
- Habit
- Perennial, Forb/herbPLANTS Database
- Flower
- Greenish-white, purpleWikipedia
- Native range
- Alaska, Canada, lower 48 statesPLANTS Database
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; Wikipedia — Wikipedia contributors.
Worth knowing
- Its fringed petals open white or cream to pinkish and often turn dark red with age. Lady Bird Johnson Wildflower Center: Tellima grandiflora
This source reports three treatments. All are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty Low
Start around February 22, 2027 for a May 3 last frost.
Sow and cover
Temperature: 70°F 21°C Light: light
No stated waiting before sowing. Then 42 days to germinate.
72% germination in 14–42 days.
Protocol 2
DerivedN. C. Deno, 1993Difficulty High
Sow outdoors and leave it
Up in April and May.
No stated waiting before sowing.
25% germination.
This source doesn't state how long step 1 lasts.
Protocol 3
DerivedN. C. Deno, 1993Difficulty High
Start around December 15, 2026 for a May 3 last frost.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: light
about 3 months from start to step 2. Germination happens during step 2; time not stated, 21 days assumed.
20% germination.
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
No trials shared for this species yet.