Deno’s Garden

Monarda didyma

Genus Monarda

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

  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. Germination time not stated; 21 days assumed.

50% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Monarda p. 179Public domain
Show the original text
Monarda (Lamiaceae). M. didyma germ. 70L(3/14 on 5th d), 70D(none), 40-70L(2/4), and 40-70D(0/4). It is likely that light promotes germination as in
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Monarda p. 179. 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 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.

21% germination in 5 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Monarda p. 179Public domain
Show the original text
Monarda (Lamiaceae). M. didyma germ. 70L(3/14 on 5th d), 70D(none), 40-70L(2/4), and 40-70D(0/4). It is likely that light promotes germination as in
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Monarda p. 179. 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 Very high Rated by us, not by the source.

  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.

0% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Monarda p. 179Public domain
Show the original text
Monarda (Lamiaceae). M. didyma germ. 70L(3/14 on 5th d), 70D(none), 40-70L(2/4), and 40-70D(0/4). It is likely that light promotes germination as in
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Monarda p. 179. 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.