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Geranium wallichianum

Buxton's Blue

Family GeraniaceaeGenus Geranium

Pale violet-blue saucer-shaped flowers with white centers and dark veins among lobed green leaves
FlowerHuhu at de.wikipediaPublic domain

About the plant

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

Habit
perennialPlants of the World Online
Flower
Deep pink, purplish, blueFlora of China
Native range
Afghanistan, East Himalaya, Nepal, Pakistan, Tibet, West HimalayaGBIF 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.

Worth knowing

  • Wallichianum honors the Danish plant hunter Nathaniel Wallich. This Himalayan cranesbill bears masses of flowers in summer and suits the front of a border. Wikipedia: Geranium wallichianum

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

No stated waiting before sowing. Germination time not stated; 21 days assumed.

90% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Geranium p. 148Public domain
Show the original text
Geranium (Geranlaceae). G. wallichianum germ. 70(90-95% in 3 d-3 m) and 40-70(85-100% in 2 d-3 w) using either fresh seed or seed DS 6 m at 70 or 40..
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Geranium p. 148. 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 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

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 3 months from start to step 2. Germination happens during step 2, in 21 days.

85% germination in 2–21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Geranium p. 148Public domain
Show the original text
Geranium (Geranlaceae). G. wallichianum germ. 70(90-95% in 3 d-3 m) and 40-70(85-100% in 2 d-3 w) using either fresh seed or seed DS 6 m at 70 or 40..
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Geranium p. 148. 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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