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Moraea collina

Cape Tulip · Cape Tulp · Cape Yellow Tulip

Family IridaceaeGenus Moraea

A clear yellow flower of six pointed tepals spread flat, on a stem rising out of dark succulent foliage.
FlowerAndrew massynCC BY-SA 3.0

About the plant

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

Habit
tuberous geophytePlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
YellowWikipedia
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; PLANTS Database — USDA NRCS; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 9, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 8, 2026.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Temperature: 40°F 4°C

about 12 months from start to step 2. Germination happens during step 2, in 28 days.

100% germination in 28 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Homeria p. 38Public domain
Show the original text
Homeria (Iridaceae). In view of the results below, germination.should have been tried at 40. Light had no effect in either species. H. breyniana DS 6 m germ. 70D( 10%)-40(90% in 3rd w). Seeds DS 1 y germ. 40(100% in 4th w) and 70D(10%)-40(90% in 2nd w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Homeria p. 38. 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 Moderate Rated by us, not by the source.

Start around June 19, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on June 18, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

    10 germinated in this phase.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 9 months from start to step 3. Germination happens during step 3, in 21 days.

90% germination in 21 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Homeria p. 38Public domain
Show the original text
Homeria (Iridaceae). In view of the results below, germination.should have been tried at 40. Light had no effect in either species. H. breyniana DS 6 m germ. 70D( 10%)-40(90% in 3rd w). Seeds DS 1 y germ. 40(100% in 4th w) and 70D(10%)-40(90% in 2nd w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Homeria p. 38. 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 3

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around December 23, 2026 for a May 3 last frost. Too late for spring 2027 — that needed starting on December 22, 2025.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Warm moist stratification

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

    10 germinated in this phase.

  3. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 15 months from start to step 3. Germination happens during step 3, in 14 days.

90% germination in 14 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Homeria p. 38Public domain
Show the original text
Homeria (Iridaceae). In view of the results below, germination.should have been tried at 40. Light had no effect in either species. H. breyniana DS 6 m germ. 70D( 10%)-40(90% in 3rd w). Seeds DS 1 y germ. 40(100% in 4th w) and 70D(10%)-40(90% in 2nd w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Homeria p. 38. 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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