Deno’s Garden

Francoa appendiculata

Genus Francoa

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty High Rated by us, not by the source.

Start around March 28, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 27, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

about 12 months from start to sowing. Then 14 days to germinate.

15% germination in 14 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Francoa p. 34Public domain
Show the original text
Francoa (Saxifragaceae). In the three species studied GA-3 or a prior 3 m at 40 were deleterious. . w : F. appendiculata DS 6 m germ. 70D{91% in 3-11 w),'70L(5% in 4th w), and 40- 70D(15% in 2nd w). Seeds DS 1 y all rotted and were dead..
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Francoa p. 34. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Protocol 2

DerivedN. C. Deno, 1998

Difficulty Very high Rated by us, not by the source.

Start around September 10, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 9, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

about 6 months from start to sowing. Then 28 days to germinate.

5% germination in 28 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Francoa p. 34Public domain
Show the original text
Francoa (Saxifragaceae). In the three species studied GA-3 or a prior 3 m at 40 were deleterious. . w : F. appendiculata DS 6 m germ. 70D{91% in 3-11 w),'70L(5% in 4th w), and 40- 70D(15% in 2nd w). Seeds DS 1 y all rotted and were dead..
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Francoa p. 34. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.