Deno’s Garden

Oreocarya thompsonii

Genus Oreocarya

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around February 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 63 days to germinate.

25% germination in 63 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cryptantha p. 127Public domain
Show the original text
Cryptantha (Boraginaceae). C. thompsonii germ. 70D(1/4 in 9th w) and 70L-40(1/6 in 4th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cryptantha p. 127. 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 High Rated by us, not by the source.

Start around September 10, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 9, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 6 months from start to sowing. Then 28 days to germinate.

17% germination in 28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Cryptantha p. 127Public domain
Show the original text
Cryptantha (Boraginaceae). C. thompsonii germ. 70D(1/4 in 9th w) and 70L-40(1/6 in 4th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cryptantha p. 127. 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.