Veronica paysonii
Featherleaf Kittentails
Also published as Synthyris pinnatifida. You are in the right place.
About the plant
What it is and where it grows — not part of any germination protocol.
- Habit
- Perennial, Forb/herbPLANTS Database
- Native range
- Native to the lower 48 statesPLANTS Database
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Source: PLANTS Database — USDA NRCS.
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty High
Start around July 30, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 29, 2026.
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C
3 germinated in this phase.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C
6 germinated in this phase.
Steps after step 2 run on after germination.
about 6 months from start to sowing. Then 70 days to germinate.
17% germination in 35–70 days.
Protocol 2
DerivedN. C. Deno, 1993Difficulty High
Start around April 7, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on April 6, 2026.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C
8 germinated in this phase.
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C
5 germinated in this phase.
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C
about 12 months from start to sowing. Then 4 days to germinate.
11% germination in 4 days.
How each step is done, in Deno’s words, and what Verified and Derived mean.