Deno’s Garden

Lyonia mariana

Genus Lyonia

This source reports 5 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. 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. Then 21 days to germinate.

67% germination in 7–21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lyonia p. 174Public domain
Show the original text
Lyonia (Ericaceae). L. mariana germ. 70L(40% in 3rd w), 70D(none), 40- 70L(38% in 7-11 d), and 40-70D(28% in 2nd w) using fresh seed. Seed DS for 6 m at 70 germ. 70L(67% in 1-3 w), 70D(none), 40-70L(67% in 1-3 w), and 40-70D(none). It is peculiar that the 3 m at 40 seemed to remove the photorequirement with fresh seed but not with DS seed. When the sample in 70D was shifted to 70L after 6w, 30% germ. in the 3rd w showing that the period in 70D had no effect.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lyonia p. 174. 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 21, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 20, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

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

about 12 months from start to sowing. Then 21 days to germinate.

67% germination in 7–21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lyonia p. 174Public domain
Show the original text
Lyonia (Ericaceae). L. mariana germ. 70L(40% in 3rd w), 70D(none), 40- 70L(38% in 7-11 d), and 40-70D(28% in 2nd w) using fresh seed. Seed DS for 6 m at 70 germ. 70L(67% in 1-3 w), 70D(none), 40-70L(67% in 1-3 w), and 40-70D(none). It is peculiar that the 3 m at 40 seemed to remove the photorequirement with fresh seed but not with DS seed. When the sample in 70D was shifted to 70L after 6w, 30% germ. in the 3rd w showing that the period in 70D had no effect.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lyonia p. 174. 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: light

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

40% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lyonia p. 174Public domain
Show the original text
Lyonia (Ericaceae). L. mariana germ. 70L(40% in 3rd w), 70D(none), 40- 70L(38% in 7-11 d), and 40-70D(28% in 2nd w) using fresh seed. Seed DS for 6 m at 70 germ. 70L(67% in 1-3 w), 70D(none), 40-70L(67% in 1-3 w), and 40-70D(none). It is peculiar that the 3 m at 40 seemed to remove the photorequirement with fresh seed but not with DS seed. When the sample in 70D was shifted to 70L after 6w, 30% germ. in the 3rd w showing that the period in 70D had no effect.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lyonia p. 174. 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 26, 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 11 days to germinate.

38% germination in 7–11 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lyonia p. 174Public domain
Show the original text
Lyonia (Ericaceae). L. mariana germ. 70L(40% in 3rd w), 70D(none), 40- 70L(38% in 7-11 d), and 40-70D(28% in 2nd w) using fresh seed. Seed DS for 6 m at 70 germ. 70L(67% in 1-3 w), 70D(none), 40-70L(67% in 1-3 w), and 40-70D(none). It is peculiar that the 3 m at 40 seemed to remove the photorequirement with fresh seed but not with DS seed. When the sample in 70D was shifted to 70L after 6w, 30% germ. in the 3rd w showing that the period in 70D had no effect.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lyonia p. 174. 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 High Rated by us, not by the source.

Start around September 23, 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 14 days to germinate.

28% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Lyonia p. 174Public domain
Show the original text
Lyonia (Ericaceae). L. mariana germ. 70L(40% in 3rd w), 70D(none), 40- 70L(38% in 7-11 d), and 40-70D(28% in 2nd w) using fresh seed. Seed DS for 6 m at 70 germ. 70L(67% in 1-3 w), 70D(none), 40-70L(67% in 1-3 w), and 40-70D(none). It is peculiar that the 3 m at 40 seemed to remove the photorequirement with fresh seed but not with DS seed. When the sample in 70D was shifted to 70L after 6w, 30% germ. in the 3rd w showing that the period in 70D had no effect.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Lyonia p. 174. 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.