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Clematis orientalis

Chinese Clematis · Orange-peel Clematis · Oriental Virginsbower

Family RanunculaceaeGenus Clematis

Pale yellow starry flowers beside several round seed heads of long silvery curling plumes
Fruitmagnolia1000 from CanadaCC BY 2.0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
climberPlants of the World Online
Habit
Perennial, VinePLANTS Database
Flower
Greenish yellowFlora of North America
Native range
Afghanistan, Altay, Buryatiya, China North-Central, East Aegean Is., Inner Mongolia and elsewhereGBIF Backbone Taxonomy

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Orange peel clematis: its four yellow to orange sepals are often taken for petals. Brought to the United States as an ornamental, it is now a noxious weed in some states. Wikipedia: Clematis orientalis

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
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.

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.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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