Deno’s Garden

Mertensia bakeri

Genus Mertensia

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around January 25, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 70 days to germinate.

33% germination in 70 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Mertensia p. 178Public domain
Show the original text
Mertensia (Boraginaceae). In view of the results with M. bakeri germ. 40-70(2/6 in the 10th w) and none at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Mertensia p. 178. 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, 1993

Difficulty Moderate Rated by us, not by the source.

Start around July 30, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 29, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 6 months from start to sowing. Then 70 days to germinate.

33% germination in 70 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Mertensia p. 178Public domain
Show the original text
Mertensia (Boraginaceae). In view of the results with M. bakeri germ. 40-70(2/6 in the 10th w) and none at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Mertensia p. 178. 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, 1993

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Mertensia p. 178Public domain
Show the original text
Mertensia (Boraginaceae). In view of the results with M. bakeri germ. 40-70(2/6 in the 10th w) and none at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Mertensia p. 178. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.