Deno’s Garden

Campanula vidalii

Genus Campanula

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 28, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 8 days to germinate.

100% germination in 8 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Azorina p. 17Public domain
Show the original text
Azorina (Campanulaceae). A. vidallii germ. better in light. The data were 70L(100% on 8th d), 70D(55% in 14-17 d), 40-70L(82% in 2nd w), and 40-70D(none). When the sample in 70D was moved to 70L after 3 w, the remaining 45% germ. in the 2nd w.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Azorina p. 17. 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 Moderate Rated by us, not by the source.

Start around September 23, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

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

about 6 months from start to sowing. Then 14 days to germinate.

82% germination in 14 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Azorina p. 17Public domain
Show the original text
Azorina (Campanulaceae). A. vidallii germ. better in light. The data were 70L(100% on 8th d), 70D(55% in 14-17 d), 40-70L(82% in 2nd w), and 40-70D(none). When the sample in 70D was moved to 70L after 3 w, the remaining 45% germ. in the 2nd w.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Azorina p. 17. 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 3

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around March 19, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 17 days to germinate.

55% germination in 14–17 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Azorina p. 17Public domain
Show the original text
Azorina (Campanulaceae). A. vidallii germ. better in light. The data were 70L(100% on 8th d), 70D(55% in 14-17 d), 40-70L(82% in 2nd w), and 40-70D(none). When the sample in 70D was moved to 70L after 3 w, the remaining 45% germ. in the 2nd w.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Azorina p. 17. 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.