Deno’s Garden

Knautia macedonica

Genus Knautia

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around December 15, 2026 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Warm moist stratification

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

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    62 germinated in this phase.

Steps after step 2 run on after germination.

about 3 months from start to sowing. Then 21 days to germinate.

65% germination in 7–21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Knautia p. 51Public domain
Show the original text
Knautia (Dipsaceae). K. macedonica germ. 70L(65% in 1-3 w) 70 GA-3(62% in 1-3 w), 70D(21% in 1-5 w), and none in 40-70D or 40-70L.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Knautia p. 51. 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, 1996

Difficulty High Rated by us, not by the source.

Start around March 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 35 days to germinate.

21% germination in 7–35 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Knautia p. 51Public domain
Show the original text
Knautia (Dipsaceae). K. macedonica germ. 70L(65% in 1-3 w) 70 GA-3(62% in 1-3 w), 70D(21% in 1-5 w), and none in 40-70D or 40-70L.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Knautia p. 51. 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, 1996
  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing.

0% germination.

Nothing germinated at 40.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Knautia p. 51Public domain
Show the original text
Knautia (Dipsaceae). K. macedonica germ. 70L(65% in 1-3 w) 70 GA-3(62% in 1-3 w), 70D(21% in 1-5 w), and none in 40-70D or 40-70L.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Knautia p. 51. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.