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Angelica gigas

Gigantic Angelica · Korean Angelica · Korean Tanggwi

Family ApiaceaeGenus Angelica

Tall dark red stems topped with domed clusters of deep purple buds, above broad leaves divided into toothed leaflets.
The whole plantUlf EliassonCC BY 2.5

About the plant

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

Habit
biennial or perennialPlants of the World Online
Flower
Dark purple-redFlora of China
Native range
Korea, ManchuriaGBIF 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; Flora of China — Wu Zhengyi, Peter H. Raven and Hong Deyuan (eds.); GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 21 days to germinate.

73% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Angelica p. 96Public domain
Show the original text
Angelica (Apiaceae). Both species germ. best in 70L. A. gigas germ. 70L(73% in 3rd w), 70D GA-3(23% in 3rd w), 70D(none), and 40-70(219).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Angelica p. 96. 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 15, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 21 days to germinate.

23% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Angelica p. 96Public domain
Show the original text
Angelica (Apiaceae). Both species germ. best in 70L. A. gigas germ. 70L(73% in 3rd w), 70D GA-3(23% in 3rd w), 70D(none), and 40-70(219).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Angelica p. 96. 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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