Deno’s GardenMy Garden

Gladiolus kotschyanus

Kotschy's Gladiolus

Family IridaceaeGenus Gladiolus

A single magenta funnel-shaped flower with white-streaked lower petals on a slender stem
FlowerZeynel CebeciCC BY-SA 4.0

About the plant

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

Habit
tuberous geophytePlants of the World Online
Flower
MagentaRead from the photograph on this page
Native range
Greece, Iran, Iraq, Transcaucasus, 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 Low Rated by us, not by the source.

Start around January 11, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 84 days.

80% germination in 42–84 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Gladiolus p. 149Public domain
Show the original text
Gladiolus (lridaceae). This genus germ. largely at 40. G. kotschyanus germ. 40(80-100% in 6-12w) and 7040(6%)-70(4%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Gladiolus p. 149. 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 Very high Rated by us, not by the source.

Start around March 15, 2027 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

    4 germinated in this phase.

Steps after step 1 run on after germination.

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

6% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Gladiolus p. 149Public domain
Show the original text
Gladiolus (lridaceae). This genus germ. largely at 40. G. kotschyanus germ. 40(80-100% in 6-12w) and 7040(6%)-70(4%).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Gladiolus p. 149. 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

Add to My Garden

View species page