Deno’s Garden

Trollius pumilus

Genus Trollius

This source reports 5 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low 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.

100% germination in 28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Trollius p. 225Public domain
Show the original text
Trollius (Ranunculaceae). Nikolaeva (ref. 10) reported that several species had germination stimulated by GA-3. Robert and Brigitte Stewart and myself have confirmed these results with several species. However, the seedlings decline in vigor after producing a true leaf or two so that at present GA-3 cannot be recommended for the production of Trollius plants. T. pumilus germ. 70(5/9 in 12-20 d), 40-70(2/9), and 4/7 in outdoor treatment. A second sample of T. pumilus collected in the wild in Nepal had much finer seed and a different behavior. This latter sample required light and germ. 70L(100% in -4 w), 70D(none), 40-70L(100%), and 40-70D(none). After 4 w the 700 sample was shifted to 70L whereupon 100% germ. in 3rd w. The two sample are presumably different species as judged by the difference in size of their seeds. It dàes show that photoeffects must be tested in Trollius. -
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Trollius p. 225. 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 Moderate 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: light

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

100% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Trollius p. 225Public domain
Show the original text
Trollius (Ranunculaceae). Nikolaeva (ref. 10) reported that several species had germination stimulated by GA-3. Robert and Brigitte Stewart and myself have confirmed these results with several species. However, the seedlings decline in vigor after producing a true leaf or two so that at present GA-3 cannot be recommended for the production of Trollius plants. T. pumilus germ. 70(5/9 in 12-20 d), 40-70(2/9), and 4/7 in outdoor treatment. A second sample of T. pumilus collected in the wild in Nepal had much finer seed and a different behavior. This latter sample required light and germ. 70L(100% in -4 w), 70D(none), 40-70L(100%), and 40-70D(none). After 4 w the 700 sample was shifted to 70L whereupon 100% germ. in 3rd w. The two sample are presumably different species as judged by the difference in size of their seeds. It dàes show that photoeffects must be tested in Trollius. -
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Trollius p. 225. 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 Moderate Rated by us, not by the source.

  1. Sow outdoors and leave it

No stated waiting before sowing.

57% germination.

This source doesn't state how long.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Trollius p. 225Public domain
Show the original text
Trollius (Ranunculaceae). Nikolaeva (ref. 10) reported that several species had germination stimulated by GA-3. Robert and Brigitte Stewart and myself have confirmed these results with several species. However, the seedlings decline in vigor after producing a true leaf or two so that at present GA-3 cannot be recommended for the production of Trollius plants. T. pumilus germ. 70(5/9 in 12-20 d), 40-70(2/9), and 4/7 in outdoor treatment. A second sample of T. pumilus collected in the wild in Nepal had much finer seed and a different behavior. This latter sample required light and germ. 70L(100% in -4 w), 70D(none), 40-70L(100%), and 40-70D(none). After 4 w the 700 sample was shifted to 70L whereupon 100% germ. in 3rd w. The two sample are presumably different species as judged by the difference in size of their seeds. It dàes show that photoeffects must be tested in Trollius. -
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Trollius p. 225. 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 Moderate Rated by us, not by the source.

Start around March 16, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 20 days to germinate.

56% germination in 12–20 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Trollius p. 225Public domain
Show the original text
Trollius (Ranunculaceae). Nikolaeva (ref. 10) reported that several species had germination stimulated by GA-3. Robert and Brigitte Stewart and myself have confirmed these results with several species. However, the seedlings decline in vigor after producing a true leaf or two so that at present GA-3 cannot be recommended for the production of Trollius plants. T. pumilus germ. 70(5/9 in 12-20 d), 40-70(2/9), and 4/7 in outdoor treatment. A second sample of T. pumilus collected in the wild in Nepal had much finer seed and a different behavior. This latter sample required light and germ. 70L(100% in -4 w), 70D(none), 40-70L(100%), and 40-70D(none). After 4 w the 700 sample was shifted to 70L whereupon 100% germ. in 3rd w. The two sample are presumably different species as judged by the difference in size of their seeds. It dàes show that photoeffects must be tested in Trollius. -
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Trollius p. 225. 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 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

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

22% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Trollius p. 225Public domain
Show the original text
Trollius (Ranunculaceae). Nikolaeva (ref. 10) reported that several species had germination stimulated by GA-3. Robert and Brigitte Stewart and myself have confirmed these results with several species. However, the seedlings decline in vigor after producing a true leaf or two so that at present GA-3 cannot be recommended for the production of Trollius plants. T. pumilus germ. 70(5/9 in 12-20 d), 40-70(2/9), and 4/7 in outdoor treatment. A second sample of T. pumilus collected in the wild in Nepal had much finer seed and a different behavior. This latter sample required light and germ. 70L(100% in -4 w), 70D(none), 40-70L(100%), and 40-70D(none). After 4 w the 700 sample was shifted to 70L whereupon 100% germ. in 3rd w. The two sample are presumably different species as judged by the difference in size of their seeds. It dàes show that photoeffects must be tested in Trollius. -
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Trollius p. 225. 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.