Its pink tubular flowers look a little like foxgloves, hence the name Chinese foxglove, but it is not closely related to the true foxgloves.Wikipedia: Rehmannia elata
Two sources report 4 treatments between them. All are shown.
Protocol 1
DerivedN. C. Deno, 1998
Difficulty ModerateRated by us, not by the source.
Start around March 23, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 22, 2025.
1
Dry storage
Duration: 730 days · Temperature: 70°F 21°C
2
Sow and cover
Temperature: 70°F 21°C · Light: dark
about 2 years from start to sowing. Then 14 days to germinate.
30% germination in 14 days.
Protocol 2
DerivedN. C. Deno, 1996
Difficulty LowRated by us, not by the source.
Start around March 30, 2027 for a May 3 last frost.
1
Sow and cover
Temperature: 70°F 21°C · Light: dark
No stated waiting before sowing. Then 6 days to germinate.
90% germination in 6 days.
Protocol 3
DerivedN. C. Deno, 1996
Difficulty LowRated by us, not by the source.
Start around March 21, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 20, 2026.
1
Dry storage
Duration: 365 days · Temperature: 70°F 21°C
2
Sow and cover
Temperature: 70°F 21°C · Light: dark
about 12 months from start to sowing. Then 16 days to germinate.
70% germination in 6–16 days.
Protocol 4
DerivedN. C. Deno, 1996
Difficulty LowRated by us, not by the source.
Start around March 29, 2027 for a May 3 last frost.
1
Sow and cover
Temperature: 70°F 21°C · Light: light
No stated waiting before sowing. Then 7 days to germinate.
