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Delphinium geraniifolium

Clark Valley Larkspur · Mogollon Larkspur

Family RanunculaceaeGenus Delphinium

Dense columns of deep violet hooded flowers packed up tall stems, with dark buds still closed at the top, in a green meadow.
FlowerPatrick Alexander from Las Cruces, NMCC0

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
Dark blue, purpleFlora of North America
Native range
Arizona, New MexicoGBIF 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.

Protocol

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

about 3 months from start to step 2. Germination happens during step 2, in 8 days.

100% germination in 6–8 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Delphinium p. 130Public domain
Show the original text
Delphinium (Ranunculaceae). . This genus is composed of a group of medium heigth monocarpic species typified by D. geraniifolium germ. 701)(100% on 11th d) and 40-70D(100% in 6-8 d).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Delphinium p. 130. 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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