Deno’s Garden

Hieracium olafii

Genus Hieracium

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 21 days to germinate.

100% germination in 7–21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Hieracium p. 48Public domain
Show the original text
Hieracium (Asteraceae). H. olafii germ. 70L(100% in 1-3 w) and 70D-40-70D(none). After 1 y DS the light requirement largely disappeared, and the seeds germ. 70D(71% in 2nd w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Hieracium p. 48. 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 Low Rated 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, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

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

71% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Hieracium p. 48Public domain
Show the original text
Hieracium (Asteraceae). H. olafii germ. 70L(100% in 1-3 w) and 70D-40-70D(none). After 1 y DS the light requirement largely disappeared, and the seeds germ. 70D(71% in 2nd w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Hieracium p. 48. 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.