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Ligularia dentata

Leopard Plant · Summer Ragwort

Family AsteraceaeGenus Ligularia

Orange-yellow daisies with long narrow rays around centers bristling with dark stamens
FlowerPieter PelserCC BY 3.0

About the plant

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

Habit
perennialPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
YellowFlora of China
Native range
China North-Central, China South-Central, China Southeast, Japan, MyanmarGBIF 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 China — Wu Zhengyi, Peter H. Raven and Hong Deyuan (eds.); GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Leopardplant, from China and Japan, is grown as much for its bold, rounded leaves as for its flowers. Its cultivars include 'Desdemona' and 'Othello'. Wikipedia: Ligularia dentata

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate 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

    36 germinated in this phase.

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 3 months from start to step 2. Germination happens during step 2; time not stated, 21 days assumed.

50% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Ligularia p. 167Public domain
Show the original text
Ligularia (Asteraceae). L. dentata germ. 70(21% in 6-8 d)-40-70(21%) and 40(36%)-70(50%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ligularia p. 167. 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 March 28, 2027 for a May 3 last frost.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

    21 germinated in this phase.

Steps after step 1 run on after germination.

Germination happens during step 1, in 8 days.

21% germination in 6–8 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Ligularia p. 167Public domain
Show the original text
Ligularia (Asteraceae). L. dentata germ. 70(21% in 6-8 d)-40-70(21%) and 40(36%)-70(50%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ligularia p. 167. 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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