Solidago spathulata
Mt. Albert Goldenrod · Spikelike Goldenrod · Coast Goldenrod

About the plant
What it is and where it grows — not part of any germination protocol.
- Habit
- perennialPlants of the World Online
- Flower
- YellowWikipedia
- Native range
- California, OregonGBIF Backbone Taxonomy
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; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty Low
Start around January 11, 2027 for a May 3 last frost.
Cold moist stratification
Temperature: 40°F 4°C
Germination happens during step 1, in 84 days.
100% germination in 49–84 days.
Protocol 2
DerivedN. C. Deno, 1993Difficulty Low
Start around March 27, 2027 for a May 3 last frost.
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 9 days to germinate.
100% germination in 3–9 days.
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.