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Scutellaria novae-zelandiae

New Zealand Skullcap · Shovel Mint

Family LamiaceaeGenus Scutellaria

Trailing thin stems with small rounded leaves over leaf litter on a forest floor
The whole plantgnappCC0

About the plant

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

Habit
perennial or subshrubPlants of the World Online
Native range
New Zealand SouthGBIF 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; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Two sources report two treatments between them. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty High Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Warm moist stratification

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

    1/10 germinated in this phase.

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

about 6 months from start to step 3. Germination happens during step 3, in 21 days.

30% germination in 21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Scutellaria p. 77Public domain
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Scutellaria (Lamiaceae). Samples of S. novae-zealandiae germ. 70D(1/10)-40-70(3/10 in 3rd w).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Scutellaria p. 77. 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 1, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 35 days to germinate.

10% germination in 35 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Scutellaria p. 213Public domain
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Scutellaria (Lamiaceae). The seven species studied all germinated in 6-9 d at 70 in the following percentages: S. novae-zealandiae germ. 70D(1/10 in 5th w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Scutellaria p. 213. 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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