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Shawia insignis

Marlborough Daisy · Marlborough Rock Daisy

Family AsteraceaeGenus Shawia

Also published as Pachystegia insignis. You are in the right place.

A large white daisy with a deep yellow center, surrounded by thick leathery leaves felted gray-white beneath.
FlowerChristian Hummert (Ixitixel)CC BY-SA 3.0

About the plant

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

Flower
WhiteRead from the photograph on this page

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

Source: Read from the photograph on this page — Deno's Garden.

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 16, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 15, 2025.

  1. Dry storage

    Duration: 730 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Temperature: 40°F 4°C

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

90% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Pachystegia p. 63Public domain
Show the original text
Pachystegia (Asteraceae). P. insignis minor seeds DS 2 y germ. 70D(87%) and 40(90%), both in 2nd w, which is similar but taster than fresh seed.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Pachystegia p. 63. 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 Low 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, 2025.

  1. Dry storage

    Duration: 730 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 2 years from start to sowing. Germination time not stated; 21 days assumed.

87% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Pachystegia p. 63Public domain
Show the original text
Pachystegia (Asteraceae). P. insignis minor seeds DS 2 y germ. 70D(87%) and 40(90%), both in 2nd w, which is similar but taster than fresh seed.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Pachystegia p. 63. 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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