Deno’s Garden

Kalmia procumbens

Genus Kalmia

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

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. Warm moist stratification

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

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

62% germination in 14–28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Loiseleuria p. 55Public domain
Show the original text
Loiseleuria (Ericaceae). L. procumbens germ. 70L(30% in 5-8 w), 70 GA-3(33% in 6th w), 70D(none), 40-70L(62% in 2-4 w), 12% in May in outdoor treatment, and 40-70D(none). A 3 m DS at 70 had no effect on the germination in 70L, but seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Loiseleuria p. 55. 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 Moderate Rated by us, not by the source.

Start around February 22, 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 42 days to germinate.

33% germination in 42 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Loiseleuria p. 55Public domain
Show the original text
Loiseleuria (Ericaceae). L. procumbens germ. 70L(30% in 5-8 w), 70 GA-3(33% in 6th w), 70D(none), 40-70L(62% in 2-4 w), 12% in May in outdoor treatment, and 40-70D(none). A 3 m DS at 70 had no effect on the germination in 70L, but seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Loiseleuria p. 55. 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 February 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 56 days to germinate.

30% germination in 35–56 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Loiseleuria p. 55Public domain
Show the original text
Loiseleuria (Ericaceae). L. procumbens germ. 70L(30% in 5-8 w), 70 GA-3(33% in 6th w), 70D(none), 40-70L(62% in 2-4 w), 12% in May in outdoor treatment, and 40-70D(none). A 3 m DS at 70 had no effect on the germination in 70L, but seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Loiseleuria p. 55. 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.

  1. Sow outdoors and leave it

    Up in May.

No stated waiting before sowing.

12% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Loiseleuria p. 55Public domain
Show the original text
Loiseleuria (Ericaceae). L. procumbens germ. 70L(30% in 5-8 w), 70 GA-3(33% in 6th w), 70D(none), 40-70L(62% in 2-4 w), 12% in May in outdoor treatment, and 40-70D(none). A 3 m DS at 70 had no effect on the germination in 70L, but seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Loiseleuria p. 55. 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.