Deno’s Garden

Mentha spicata

Genus Mentha

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 28 days to germinate.

85% germination in 7–28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Mentha p. 178Public domain
Show the original text
Mentha (Lamiaceae). M. spicata germ. 70L(85% in 1-4 w), 70D(34% in 1-3 w), 40(2%)-70L(42% in 1-4 w) , and 40-70D(none). Experiments on
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Mentha 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 September 10, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 9, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    2 germinated in this phase.

  2. Warm moist stratification

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

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

42% germination in 7–28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Mentha p. 178Public domain
Show the original text
Mentha (Lamiaceae). M. spicata germ. 70L(85% in 1-4 w), 70D(34% in 1-3 w), 40(2%)-70L(42% in 1-4 w) , and 40-70D(none). Experiments on
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Mentha 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

Difficulty Moderate Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 21 days to germinate.

34% germination in 7–21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Mentha p. 178Public domain
Show the original text
Mentha (Lamiaceae). M. spicata germ. 70L(85% in 1-4 w), 70D(34% in 1-3 w), 40(2%)-70L(42% in 1-4 w) , and 40-70D(none). Experiments on
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Mentha 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.