Deno’s GardenMy Garden

Onosma armena

Hevajo

Family BoraginaceaeGenus Onosma

Also published as Onosma armenum. You are in the right place.

Clumps of narrow, bristly leaves with hanging clusters of pale yellow tubular flowers
FlowerPictured: Onosma taurica, a relativeOleksandr ShynderCC 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
Pale yellowRead from the photograph on this page
Native range
North Caucasus, TürkiyeGBIF 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; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty High Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1; time not stated, 21 days assumed.

31% germination.

Four seeds of thirteen, and nothing at all at 70.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, OnosmaPublic domain
Show the original text
Onosma (Boraginaceae). Germination were predominantly at 40. 0. armenum germ. 4/13 at 40 and none at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Onosma. 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

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing.

0% germination.

Nothing. Deno's genus note holds here: germination is at 40.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, OnosmaPublic domain
Show the original text
Onosma (Boraginaceae). Germination were predominantly at 40. 0. armenum germ. 4/13 at 40 and none at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Onosma. 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.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

Add to My Garden

View species page