Mendel’s Gardens

Salvia hians

Himalayan Blue Sage

Family LamiaceaeGenus Salvia

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 December 15, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    Deno gives no length for this period; three months is his standard cycle.

  2. Warm moist stratification

    Temperature: 70°F 21°C Light: dark

about 3 months from start to sowing. Germination time not stated; 21 days assumed.

33% germination.

One seed of three -- but it was three seeds. Deno's samples here are tiny.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, SalviaPublic domain
Show the original text
Salvia (Lamiaceae). S. hians germination may be prompted by light. Seeds germ. 70L(3/12 in 5-6 d), 70D(none), and 40-70D(1/3).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Salvia. 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 March 30, 2027 for a May 3 last frost.

  1. Sow on the surface — do not cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 6 days to germinate.

25% germination in 5–6 days.

Three seeds of twelve. Deno puts the light effect no more strongly than "may be prompted".

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, SalviaPublic domain
Show the original text
Salvia (Lamiaceae). S. hians germination may be prompted by light. Seeds germ. 70L(3/12 in 5-6 d), 70D(none), and 40-70D(1/3).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Salvia. 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 Light: dark

No stated waiting before sowing.

0% germination.

Nothing in the dark without a cold period first.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, SalviaPublic domain
Show the original text
Salvia (Lamiaceae). S. hians germination may be prompted by light. Seeds germ. 70L(3/12 in 5-6 d), 70D(none), and 40-70D(1/3).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Salvia. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.