Deno’s Garden

Tulipa urumiensis

Genus Tulipa

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 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 Light: either

    3 germinated in this phase.

  3. Warm moist stratification

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

about 12 months from start to sowing. Germination time not stated; 21 days assumed.

75% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Tulipa p. 226Public domain
Show the original text
Tulipa (Llllaceae). Germination takes place either at 40 or after a 3 m period at 40: Preliminary results indicate that the seedlings must grow at low temperatures as a quick shift to 70 generally led to rotting starting at the tip of the radicle. Outdoor treatment needs to be tried not only for the germination but also for the cotyledon development. GA-3 probably has no effect in this genus. T. tarda germ. 40(3%)-70(75%) and 70-40(28%)-70(32%) using seed DS 6 m at 70. Another sample germ. 40(9%)-70(23%)-40(9%). Fresh seeds germ. 40(8%)- 70(1%)-40(6%) and 70-40(3%)-70(3%)-40(12%)-70(3%). Light had no effect on germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Tulipa p. 226. 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 High Rated by us, not by the source.

Start around December 21, 2026 for a May 3 last frost. Too late for spring 2027 — that needed starting on December 20, 2025.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C Light: either

    28 germinated in this phase.

  4. Warm moist stratification

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

about 15 months from start to sowing. Germination time not stated; 21 days assumed.

32% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Tulipa p. 226Public domain
Show the original text
Tulipa (Llllaceae). Germination takes place either at 40 or after a 3 m period at 40: Preliminary results indicate that the seedlings must grow at low temperatures as a quick shift to 70 generally led to rotting starting at the tip of the radicle. Outdoor treatment needs to be tried not only for the germination but also for the cotyledon development. GA-3 probably has no effect in this genus. T. tarda germ. 40(3%)-70(75%) and 70-40(28%)-70(32%) using seed DS 6 m at 70. Another sample germ. 40(9%)-70(23%)-40(9%). Fresh seeds germ. 40(8%)- 70(1%)-40(6%) and 70-40(3%)-70(3%)-40(12%)-70(3%). Light had no effect on germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Tulipa p. 226. 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 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 Light: either

    9 germinated in this phase.

  2. Warm moist stratification

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

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C Light: either

    9 germinated in this phase.

Steps after step 2 run on after germination.

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

23% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Tulipa p. 226Public domain
Show the original text
Tulipa (Llllaceae). Germination takes place either at 40 or after a 3 m period at 40: Preliminary results indicate that the seedlings must grow at low temperatures as a quick shift to 70 generally led to rotting starting at the tip of the radicle. Outdoor treatment needs to be tried not only for the germination but also for the cotyledon development. GA-3 probably has no effect in this genus. T. tarda germ. 40(3%)-70(75%) and 70-40(28%)-70(32%) using seed DS 6 m at 70. Another sample germ. 40(9%)-70(23%)-40(9%). Fresh seeds germ. 40(8%)- 70(1%)-40(6%) and 70-40(3%)-70(3%)-40(12%)-70(3%). Light had no effect on germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Tulipa p. 226. 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 High 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. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C Light: either

    3 germinated in this phase.

  3. Warm moist stratification

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

    3 germinated in this phase.

  4. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C Light: either

  5. Warm moist stratification

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

    3 germinated in this phase.

Steps after step 4 run on after germination.

about 12 months from start to sowing. Germination time not stated; 21 days assumed.

12% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Tulipa p. 226Public domain
Show the original text
Tulipa (Llllaceae). Germination takes place either at 40 or after a 3 m period at 40: Preliminary results indicate that the seedlings must grow at low temperatures as a quick shift to 70 generally led to rotting starting at the tip of the radicle. Outdoor treatment needs to be tried not only for the germination but also for the cotyledon development. GA-3 probably has no effect in this genus. T. tarda germ. 40(3%)-70(75%) and 70-40(28%)-70(32%) using seed DS 6 m at 70. Another sample germ. 40(9%)-70(23%)-40(9%). Fresh seeds germ. 40(8%)- 70(1%)-40(6%) and 70-40(3%)-70(3%)-40(12%)-70(3%). Light had no effect on germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Tulipa p. 226. 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 Very high Rated by us, not by the source.

Start around December 15, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C Light: either

  2. Warm moist stratification

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

    1 germinated in this phase.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C Light: either

    6 germinated in this phase.

Steps after step 1 run on after germination.

about 3 months from start to sowing. Germination time not stated; 21 days assumed.

8% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Tulipa p. 226Public domain
Show the original text
Tulipa (Llllaceae). Germination takes place either at 40 or after a 3 m period at 40: Preliminary results indicate that the seedlings must grow at low temperatures as a quick shift to 70 generally led to rotting starting at the tip of the radicle. Outdoor treatment needs to be tried not only for the germination but also for the cotyledon development. GA-3 probably has no effect in this genus. T. tarda germ. 40(3%)-70(75%) and 70-40(28%)-70(32%) using seed DS 6 m at 70. Another sample germ. 40(9%)-70(23%)-40(9%). Fresh seeds germ. 40(8%)- 70(1%)-40(6%) and 70-40(3%)-70(3%)-40(12%)-70(3%). Light had no effect on germination.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Tulipa p. 226. 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.