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Nivenia stokoei

Genus Nivenia

A dense clump of blue six-pointed star flowers on wiry red-brown stalks, rising from fans of grey-green strap leaves on gravel.
FlowerlinkieCC BY 4.0

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Very high Rated by us, not by the source.

Start around May 29, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on May 28, 2026.

  1. Warm moist stratification

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

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

  3. Warm moist stratification

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

about 9 months from start to sowing. Then 42 days to germinate.

9% germination in 7–42 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Nivenia p. 50Public domain
Show the original text
Nivenia (Proteaceae). N. stokoei germ. 70D-40-70D(2/22 in 1-6 w) and none in 70L, 70D, GA-3, 40, or OS. The seeds remain unrotted after 1 y.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Nivenia p. 50. 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, 1998

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Nivenia p. 50Public domain
Show the original text
Nivenia (Proteaceae). N. stokoei germ. 70D-40-70D(2/22 in 1-6 w) and none in 70L, 70D, GA-3, 40, or OS. The seeds remain unrotted after 1 y.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Nivenia p. 50. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.

How each step is done, in Deno’s words, and what Verified and Derived mean.

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