Deno’s Garden

Menyanthes trifoliata

Genus Menyanthes

This source reports 5 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty High 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. Germination time not stated; 21 days assumed.

12% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Menyanthes p. 58Public domain
Show the original text
Menyanthes (Gentianaceae). M. trifoiiata germ. 70L(1/8), 70 GA-3(1/28), and none in 70D, 40, or OT. After 6 m DS it germ. 70 GA-3(1/16) and none in 70D or 70L. The ungerm. seed appeared to be afl empty seed coats sö in fact germination was virtualiy 100%, but the amount of viable seed was too small to establish any pattern with confidence.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Menyanthes p. 58. 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 Very 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. 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.

6% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Menyanthes p. 58Public domain
Show the original text
Menyanthes (Gentianaceae). M. trifoiiata germ. 70L(1/8), 70 GA-3(1/28), and none in 70D, 40, or OT. After 6 m DS it germ. 70 GA-3(1/16) and none in 70D or 70L. The ungerm. seed appeared to be afl empty seed coats sö in fact germination was virtualiy 100%, but the amount of viable seed was too small to establish any pattern with confidence.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Menyanthes p. 58. 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 Very high Rated by us, not by the source.

Start around March 15, 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. Germination time not stated; 21 days assumed.

4% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Menyanthes p. 58Public domain
Show the original text
Menyanthes (Gentianaceae). M. trifoiiata germ. 70L(1/8), 70 GA-3(1/28), and none in 70D, 40, or OT. After 6 m DS it germ. 70 GA-3(1/16) and none in 70D or 70L. The ungerm. seed appeared to be afl empty seed coats sö in fact germination was virtualiy 100%, but the amount of viable seed was too small to establish any pattern with confidence.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Menyanthes p. 58. 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

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Menyanthes p. 58Public domain
Show the original text
Menyanthes (Gentianaceae). M. trifoiiata germ. 70L(1/8), 70 GA-3(1/28), and none in 70D, 40, or OT. After 6 m DS it germ. 70 GA-3(1/16) and none in 70D or 70L. The ungerm. seed appeared to be afl empty seed coats sö in fact germination was virtualiy 100%, but the amount of viable seed was too small to establish any pattern with confidence.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Menyanthes p. 58. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.

Protocol 5

DerivedN. C. Deno, 1996

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

  1. Sow outdoors and leave it

    Nothing germinated outdoors.

No stated waiting before sowing.

0% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Menyanthes p. 58Public domain
Show the original text
Menyanthes (Gentianaceae). M. trifoiiata germ. 70L(1/8), 70 GA-3(1/28), and none in 70D, 40, or OT. After 6 m DS it germ. 70 GA-3(1/16) and none in 70D or 70L. The ungerm. seed appeared to be afl empty seed coats sö in fact germination was virtualiy 100%, but the amount of viable seed was too small to establish any pattern with confidence.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Menyanthes p. 58. 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.