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Ourisia macrophylla

Mountain Foxglove

Family PlantaginaceaeGenus Ourisia

A ring of white two-lipped flowers with yellow throats, held on dark stalks above rounded crinkled leaves.
FlowerEmily RobertsCC BY 4.0

About the plant

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

Habit
perennialPlants of the World Online
Flower
WhiteWikipedia
Native range
New Zealand North, 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; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

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.

75% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Ourisia p. 183Public domain
Show the original text
Ourisia (Scrophulariaceae). 0. macrophylla germ. 70L(75% in 3rd w), 70D(none), 40-70L(23% in 4th w), and 40-70D(none). Light is required and 3 m at 40 is deleterious. Seeds DS 2 y at 70 were dead.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ourisia p. 183. 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 December 8, 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 Light: light

about 3 months from start to step 2. Germination happens during step 2, in 28 days.

23% germination in 28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Ourisia p. 183Public domain
Show the original text
Ourisia (Scrophulariaceae). 0. macrophylla germ. 70L(75% in 3rd w), 70D(none), 40-70L(23% in 4th w), and 40-70D(none). Light is required and 3 m at 40 is deleterious. Seeds DS 2 y at 70 were dead.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Ourisia p. 183. 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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