Deno’s Garden

Agastache occidentalis

Genus Agastache

This source reports 5 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

  1. Sow outdoors and leave it

    Up in late March.

No stated waiting before sowing.

100% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Agastache p. 16Public domain
Show the original text
Agastache (Lamiaceae). Light was required for the two species studied. A. occidentalis germ. 70L(68% on 5th d), 70 GA-3(74% in 5-8 d), 70D(none), 40(14%)-70D(11%), and 100% in late March in OT. It is unusual for OT and 70L to be the two treatments to give germination. Seeds DS 2 y germ. 70L(26% in 4-8 d) and 70D(none) showing significant dying of the seeds and retention of the light requirement.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Agastache p. 16. 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 28, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 8 days to germinate.

74% germination in 5–8 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Agastache p. 16Public domain
Show the original text
Agastache (Lamiaceae). Light was required for the two species studied. A. occidentalis germ. 70L(68% on 5th d), 70 GA-3(74% in 5-8 d), 70D(none), 40(14%)-70D(11%), and 100% in late March in OT. It is unusual for OT and 70L to be the two treatments to give germination. Seeds DS 2 y germ. 70L(26% in 4-8 d) and 70D(none) showing significant dying of the seeds and retention of the light requirement.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Agastache p. 16. 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, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 31, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 5 days to germinate.

68% germination in 5 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Agastache p. 16Public domain
Show the original text
Agastache (Lamiaceae). Light was required for the two species studied. A. occidentalis germ. 70L(68% on 5th d), 70 GA-3(74% in 5-8 d), 70D(none), 40(14%)-70D(11%), and 100% in late March in OT. It is unusual for OT and 70L to be the two treatments to give germination. Seeds DS 2 y germ. 70L(26% in 4-8 d) and 70D(none) showing significant dying of the seeds and retention of the light requirement.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Agastache p. 16. 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 4

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around March 29, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 28, 2025.

  1. Dry storage

    Duration: 730 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

about 2 years from start to sowing. Then 8 days to germinate.

26% germination in 4–8 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Agastache p. 16Public domain
Show the original text
Agastache (Lamiaceae). Light was required for the two species studied. A. occidentalis germ. 70L(68% on 5th d), 70 GA-3(74% in 5-8 d), 70D(none), 40(14%)-70D(11%), and 100% in late March in OT. It is unusual for OT and 70L to be the two treatments to give germination. Seeds DS 2 y germ. 70L(26% in 4-8 d) and 70D(none) showing significant dying of the seeds and retention of the light requirement.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Agastache p. 16. 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 5

DerivedN. C. Deno, 1996

Difficulty High 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

  2. Warm moist stratification

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

    11 germinated in this phase.

Steps after step 1 run on after germination.

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

14% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Agastache p. 16Public domain
Show the original text
Agastache (Lamiaceae). Light was required for the two species studied. A. occidentalis germ. 70L(68% on 5th d), 70 GA-3(74% in 5-8 d), 70D(none), 40(14%)-70D(11%), and 100% in late March in OT. It is unusual for OT and 70L to be the two treatments to give germination. Seeds DS 2 y germ. 70L(26% in 4-8 d) and 70D(none) showing significant dying of the seeds and retention of the light requirement.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Agastache p. 16. 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.