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Boenninghausenia albiflora

White Himalayan Rue

Family RutaceaeGenus Boenninghausenia

A wiry shrub of small round leaflets and sprays of pale flowers, filling a greenhouse bed in front of a bright window.
The whole plantUser:BotBlnCC BY 2.5

About the plant

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

Habit
perennial or subshrubPlants of the World Online
Flower
WhiteFlora of Pakistan
Native range
Assam, China North-Central, China South-Central, China Southeast, East Himalaya, Japan and elsewhereGBIF 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; Flora of Pakistan — S. I. Ali and M. Qaiser (eds.); GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

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 29, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 7 days to germinate.

100% germination in 7 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Boenninghausenia p. 25Public domain
Show the original text
Boenninghausenia (Rutaceae). B. albiflora germ. 70D(3/3 on 7th d), 70L(2/4 on 13th d), and 40-70D(none).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Boenninghausenia p. 25. 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 Moderate Rated by us, not by the source.

Start around March 23, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 13 days to germinate.

50% germination in 13 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Boenninghausenia p. 25Public domain
Show the original text
Boenninghausenia (Rutaceae). B. albiflora germ. 70D(3/3 on 7th d), 70L(2/4 on 13th d), and 40-70D(none).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Boenninghausenia p. 25. 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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