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Berzelia rubra

Cobweb Kolkol

Family BruniaceaeGenus Berzelia

Clusters of small brown knobbly seed heads held among branches of short needle-like leaves
FruitDaderotCC0

About the plant

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

Habit
shrubPlants of the World Online
Native range
Cape ProvincesGBIF 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.

Worth knowing

  • Berzelia rubra grows only in the Kleinrivier Mountains of the Western Cape, in an area of under 10 km², and is threatened by invasive plants such as pines and hakeas. Wikipedia: Berzelia rubra

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 28 days to germinate.

100% germination in 28 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Berzelia p. 18Public domain
Show the original text
Berzelia (Bruniaceae). B. rubra seeds were several years old. They germ. 70L(3/11 in 4th w) and 70 GA-3(3/3 in 4th w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Berzelia p. 18. 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

Difficulty High Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 28 days to germinate.

27% germination in 28 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Berzelia p. 18Public domain
Show the original text
Berzelia (Bruniaceae). B. rubra seeds were several years old. They germ. 70L(3/11 in 4th w) and 70 GA-3(3/3 in 4th w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Berzelia p. 18. 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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