Deno’s Garden

Clematis orientalis

Genus Clematis

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

Start around March 31, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 5 days to germinate.

90% germination in 5 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Clematis p. 31Public domain
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Clematis (Ranunculaceae). C. orientalis gèrm. 70L(90% in 5 d), 70D was not done. The seed was of unknown DS. After and additional year of DS the seed germ. 70L(20%). Another sample germ. 70L(95% in 10 d) and 70L(65% in 1 m) after and additional 1 y DS. All of this indicates a significant death rate in DS. The data is ail from KW.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Clematis p. 31. 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 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: light

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

20% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Clematis p. 31Public domain
Show the original text
Clematis (Ranunculaceae). C. orientalis gèrm. 70L(90% in 5 d), 70D was not done. The seed was of unknown DS. After and additional year of DS the seed germ. 70L(20%). Another sample germ. 70L(95% in 10 d) and 70L(65% in 1 m) after and additional 1 y DS. All of this indicates a significant death rate in DS. The data is ail from KW.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Clematis p. 31. 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.