Deno’s Garden

Agastache foeniculum

Genus Agastache

This source reports 8 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Temperature: 40°F 4°C

about 6 months from start to sowing. Then 21 days to germinate.

70% germination in 21 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Agastache p. 89Public domain
Show the original text
Agastache (Lamiaceae). Results were complex with the stimulation of germination by light and GA-3 being eliminated by 3 m at 40 in A. foeniculum germ. 70L(1 1% in 5-11 d), 70D GA-3(59% in 3-7 d), 70D(none), - 40-70D(52% in 4th d), and 40-70L(42% in 4th d) using fresh seed. When part of the sample in 70D was shifted to 70L after 3w, 58% germ. in 1-3w. Seeds placed outdoors in October germ. 4% in November and 41% in April. Seeds DS 6 m at 70 germ. 70L(20%), 70 GA-3(50%), and 70D(12%), all in 2nd w, and 40(70% in 3rd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Agastache p. 89. 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 March 29, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 7 days to germinate.

59% germination in 3–7 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Agastache p. 89Public domain
Show the original text
Agastache (Lamiaceae). Results were complex with the stimulation of germination by light and GA-3 being eliminated by 3 m at 40 in A. foeniculum germ. 70L(1 1% in 5-11 d), 70D GA-3(59% in 3-7 d), 70D(none), - 40-70D(52% in 4th d), and 40-70L(42% in 4th d) using fresh seed. When part of the sample in 70D was shifted to 70L after 3w, 58% germ. in 1-3w. Seeds placed outdoors in October germ. 4% in November and 41% in April. Seeds DS 6 m at 70 germ. 70L(20%), 70 GA-3(50%), and 70D(12%), all in 2nd w, and 40(70% in 3rd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Agastache p. 89. 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

Difficulty Moderate Rated by us, not by the source.

Start around October 3, 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

about 6 months from start to sowing. Then 4 days to germinate.

52% germination in 4 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Agastache p. 89Public domain
Show the original text
Agastache (Lamiaceae). Results were complex with the stimulation of germination by light and GA-3 being eliminated by 3 m at 40 in A. foeniculum germ. 70L(1 1% in 5-11 d), 70D GA-3(59% in 3-7 d), 70D(none), - 40-70D(52% in 4th d), and 40-70L(42% in 4th d) using fresh seed. When part of the sample in 70D was shifted to 70L after 3w, 58% germ. in 1-3w. Seeds placed outdoors in October germ. 4% in November and 41% in April. Seeds DS 6 m at 70 germ. 70L(20%), 70 GA-3(50%), and 70D(12%), all in 2nd w, and 40(70% in 3rd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Agastache p. 89. 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, 1993

Difficulty Moderate Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Gibberellic acid soak

  3. Sow and cover

    Temperature: 70°F 21°C

about 6 months from start to sowing. Germination time not stated; 21 days assumed.

50% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Agastache p. 89Public domain
Show the original text
Agastache (Lamiaceae). Results were complex with the stimulation of germination by light and GA-3 being eliminated by 3 m at 40 in A. foeniculum germ. 70L(1 1% in 5-11 d), 70D GA-3(59% in 3-7 d), 70D(none), - 40-70D(52% in 4th d), and 40-70L(42% in 4th d) using fresh seed. When part of the sample in 70D was shifted to 70L after 3w, 58% germ. in 1-3w. Seeds placed outdoors in October germ. 4% in November and 41% in April. Seeds DS 6 m at 70 germ. 70L(20%), 70 GA-3(50%), and 70D(12%), all in 2nd w, and 40(70% in 3rd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Agastache p. 89. 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, 1993

Difficulty Moderate Rated by us, not by the source.

Start around October 3, 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: light

about 6 months from start to sowing. Then 4 days to germinate.

42% germination in 4 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Agastache p. 89Public domain
Show the original text
Agastache (Lamiaceae). Results were complex with the stimulation of germination by light and GA-3 being eliminated by 3 m at 40 in A. foeniculum germ. 70L(1 1% in 5-11 d), 70D GA-3(59% in 3-7 d), 70D(none), - 40-70D(52% in 4th d), and 40-70L(42% in 4th d) using fresh seed. When part of the sample in 70D was shifted to 70L after 3w, 58% germ. in 1-3w. Seeds placed outdoors in October germ. 4% in November and 41% in April. Seeds DS 6 m at 70 germ. 70L(20%), 70 GA-3(50%), and 70D(12%), all in 2nd w, and 40(70% in 3rd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Agastache p. 89. 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 6

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

about 6 months from start to sowing. Germination time not stated; 21 days assumed.

20% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Agastache p. 89Public domain
Show the original text
Agastache (Lamiaceae). Results were complex with the stimulation of germination by light and GA-3 being eliminated by 3 m at 40 in A. foeniculum germ. 70L(1 1% in 5-11 d), 70D GA-3(59% in 3-7 d), 70D(none), - 40-70D(52% in 4th d), and 40-70L(42% in 4th d) using fresh seed. When part of the sample in 70D was shifted to 70L after 3w, 58% germ. in 1-3w. Seeds placed outdoors in October germ. 4% in November and 41% in April. Seeds DS 6 m at 70 germ. 70L(20%), 70 GA-3(50%), and 70D(12%), all in 2nd w, and 40(70% in 3rd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Agastache p. 89. 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 7

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 6 months from start to sowing. Germination time not stated; 21 days assumed.

12% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Agastache p. 89Public domain
Show the original text
Agastache (Lamiaceae). Results were complex with the stimulation of germination by light and GA-3 being eliminated by 3 m at 40 in A. foeniculum germ. 70L(1 1% in 5-11 d), 70D GA-3(59% in 3-7 d), 70D(none), - 40-70D(52% in 4th d), and 40-70L(42% in 4th d) using fresh seed. When part of the sample in 70D was shifted to 70L after 3w, 58% germ. in 1-3w. Seeds placed outdoors in October germ. 4% in November and 41% in April. Seeds DS 6 m at 70 germ. 70L(20%), 70 GA-3(50%), and 70D(12%), all in 2nd w, and 40(70% in 3rd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Agastache p. 89. 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 8

DerivedN. C. Deno, 1993

Difficulty Very high Rated by us, not by the source.

Sow around October 2026 — a date the source gives, not one counted back from a May 3 last frost.

  1. Sow outdoors and leave it

    Sown outdoors in October; up in November.

No stated waiting before sowing. Then 30 days to germinate.

4% germination in 30 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Agastache p. 89Public domain
Show the original text
Agastache (Lamiaceae). Results were complex with the stimulation of germination by light and GA-3 being eliminated by 3 m at 40 in A. foeniculum germ. 70L(1 1% in 5-11 d), 70D GA-3(59% in 3-7 d), 70D(none), - 40-70D(52% in 4th d), and 40-70L(42% in 4th d) using fresh seed. When part of the sample in 70D was shifted to 70L after 3w, 58% germ. in 1-3w. Seeds placed outdoors in October germ. 4% in November and 41% in April. Seeds DS 6 m at 70 germ. 70L(20%), 70 GA-3(50%), and 70D(12%), all in 2nd w, and 40(70% in 3rd w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Agastache p. 89. 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.