Deno’s Garden

Lomatium nuttallii

Genus Lomatium

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 February 1, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

No stated waiting before sowing. Then 63 days to germinate.

100% germination in 49–63 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Lomatium p. 55Public domain
Show the original text
Lomatium (Apiaceae). L. nuttallii germ. 40(100% in 7-9 w), 70 GA-3(none), and 70-40(7%)-70-40(80% in 3-11 w). The germination at 40 is typical of this genus. It is of interest that starting the seeds at 70 slows down the germination at 40.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Lomatium p. 55. 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 Moderate Rated by us, not by the source.

Start around January 24, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on January 23, 2026.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    7 germinated in this phase.

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  4. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 12 months from start to sowing. Then 77 days to germinate.

80% germination in 21–77 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Lomatium p. 55Public domain
Show the original text
Lomatium (Apiaceae). L. nuttallii germ. 40(100% in 7-9 w), 70 GA-3(none), and 70-40(7%)-70-40(80% in 3-11 w). The germination at 40 is typical of this genus. It is of interest that starting the seeds at 70 slows down the germination at 40.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Lomatium p. 55. 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.