Deno’s GardenMy Garden

Draperia systyla

Violet Draperia

Family BoraginaceaeGenus Draperia

Pale lilac two-lipped tubular flowers in a loose cluster above softly hairy green leaves
FlowerEric in SFCC BY-SA 3.0

About the plant

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

Habit
perennial or subshrubPlants of the World Online
Habit
Perennial, Forb/herb, SubshrubPLANTS Database
Flower
Light pink, lavenderWikipedia
Native range
CaliforniaGBIF 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.

Worth knowing

  • Violet draperia is the only species in its genus, a small hairy wildflower endemic to the high mountain woods and rocky slopes of California, with funnel-shaped pink to lavender flowers. Wikipedia: Draperia

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around August 13, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on August 12, 2026.

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Gibberellic acid soak

  3. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  4. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    30 germinated in this phase.

Steps after step 3 run on after germination.

about 6 months from start to step 3. Germination happens during step 3, in 56 days.

70% germination in 35–56 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Draperia p. 39Public domain
Show the original text
Draperia (Hydrophyilaceae). D. systyla seeds DS 6 m germ. 70 GA-3(70% in 5-8 w)-40(30% in 5-11 w) and none in 70D or 40 confirming AB's report. Seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Draperia p. 39. 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

  1. Dry storage

    Duration: 180 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 6 months from start to sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Draperia p. 39Public domain
Show the original text
Draperia (Hydrophyilaceae). D. systyla seeds DS 6 m germ. 70 GA-3(70% in 5-8 w)-40(30% in 5-11 w) and none in 70D or 40 confirming AB's report. Seeds DS 1 y were dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Draperia p. 39. 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