This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1993Difficulty Moderate Rated by us, not by the source.
Start around March 8, 2027 for a May 3 last frost.
- 1
- 2
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 28 days to germinate.
33% germination in 28 days.
GA-3 is a requirement, not an improvement. The samples were small, but nothing at all germinated without it.
Protocol 2
DerivedN. C. Deno, 1993- 1
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing.
0% germination.
Nothing germinated without GA-3.
How each step is done, in Deno’s words, and what Verified and Derived mean.