Deno’s Garden

Trochodendron aralioides

Genus Trochodendron

This source reports 5 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around March 8, 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 28 days to germinate.

80% germination in 28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Trochodendron p. 83Public domain
Show the original text
Trochodendron (Trochodendronaceae). T. aralioides germ. 70L(48% in 4th w), 70D(18% in 4th w), 70 GA-3(80% in 4th w), 40-70D(25%), and 46% in May in OT starting March 1.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Trochodendron p. 83. 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 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.

48% germination in 28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Trochodendron p. 83Public domain
Show the original text
Trochodendron (Trochodendronaceae). T. aralioides germ. 70L(48% in 4th w), 70D(18% in 4th w), 70 GA-3(80% in 4th w), 40-70D(25%), and 46% in May in OT starting March 1.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Trochodendron p. 83. 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.

Sow around March 1, 2027 — a date the source gives, not one counted back from a May 3 last frost.

  1. Sow outdoors and leave it

    Sown outdoors in March 1; up in May.

No stated waiting before sowing. Then 60 days to germinate.

46% germination in 60 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Trochodendron p. 83Public domain
Show the original text
Trochodendron (Trochodendronaceae). T. aralioides germ. 70L(48% in 4th w), 70D(18% in 4th w), 70 GA-3(80% in 4th w), 40-70D(25%), and 46% in May in OT starting March 1.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Trochodendron p. 83. 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.

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: dark

about 6 months from start to sowing. Germination time not stated; 21 days assumed.

25% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Trochodendron p. 83Public domain
Show the original text
Trochodendron (Trochodendronaceae). T. aralioides germ. 70L(48% in 4th w), 70D(18% in 4th w), 70 GA-3(80% in 4th w), 40-70D(25%), and 46% in May in OT starting March 1.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Trochodendron p. 83. 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, 1996

Difficulty High 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: dark

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

18% germination in 28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Trochodendron p. 83Public domain
Show the original text
Trochodendron (Trochodendronaceae). T. aralioides germ. 70L(48% in 4th w), 70D(18% in 4th w), 70 GA-3(80% in 4th w), 40-70D(25%), and 46% in May in OT starting March 1.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Trochodendron p. 83. 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.