Deno’s Garden

Diplarrhena moraea

Genus Diplarrhena

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around December 14, 2026 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 112 days to germinate.

100% germination in 56–112 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Diplarrhena p. 30Public domain
Show the original text
Diplarrhena (Iridaceae). Light is required in both species D. moraea germ. 70L(100% in 8-16 w) and 70D(1/16). Seeds DS 1 y germ 70D(2/14 in 3rd w) and 70L(2/12 in 8-10 w) indicating extensive dying of the seeds along with a disappearance of the light'requirement.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Diplarrhena p. 30. 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, 1998

Difficulty High Rated by us, not by the source.

Start around January 26, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on January 25, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

about 12 months from start to sowing. Then 70 days to germinate.

17% germination in 56–70 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Diplarrhena p. 30Public domain
Show the original text
Diplarrhena (Iridaceae). Light is required in both species D. moraea germ. 70L(100% in 8-16 w) and 70D(1/16). Seeds DS 1 y germ 70D(2/14 in 3rd w) and 70L(2/12 in 8-10 w) indicating extensive dying of the seeds along with a disappearance of the light'requirement.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Diplarrhena p. 30. 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, 1998

Difficulty High Rated by us, not by the source.

Start around March 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 15, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

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

14% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Diplarrhena p. 30Public domain
Show the original text
Diplarrhena (Iridaceae). Light is required in both species D. moraea germ. 70L(100% in 8-16 w) and 70D(1/16). Seeds DS 1 y germ 70D(2/14 in 3rd w) and 70L(2/12 in 8-10 w) indicating extensive dying of the seeds along with a disappearance of the light'requirement.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Diplarrhena p. 30. 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, 1998

Difficulty Very 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: dark

No stated waiting before sowing. Germination time not stated; 21 days assumed.

6% germination.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Diplarrhena p. 30Public domain
Show the original text
Diplarrhena (Iridaceae). Light is required in both species D. moraea germ. 70L(100% in 8-16 w) and 70D(1/16). Seeds DS 1 y germ 70D(2/14 in 3rd w) and 70L(2/12 in 8-10 w) indicating extensive dying of the seeds along with a disappearance of the light'requirement.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Diplarrhena p. 30. 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.