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Plantago patagonica

Patagonia Plantain · Woolly Indianwheat · Woolly Plantain

Family PlantaginaceaeGenus Plantago

Tufts of narrow gray leaves on red sand, each throwing up short spikes packed with silvery-woolly bracts.
The whole plantStan ShebsCC BY-SA 3.0

About the plant

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

The plant

Habit
annualPlants of the World Online
Habit
Annual, Forb/herbPLANTS Database
Height
0.5 ft15 cmPLANTS Database
Flower
YellowPLANTS Database
Blooms
Mid SpringPLANTS Database
Native range
Alberta, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas and elsewhereGBIF Backbone Taxonomy

Growing conditions

Sun
Shade tolerance: HighPLANTS Database
Soil
Adapted to coarse, medium, fine textured soilsPLANTS Database
Soil pH
6.4-9.0PLANTS Database
Moisture
Moisture use: LowPLANTS Database
Watering
Drought tolerance: HighPLANTS Database

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; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Patagonica means "from Patagonia", because the first specimens were collected in the Patagonia region of Argentina. Woolly plantain is a host plant for Edith's checkerspot butterfly. Wikipedia: Plantago patagonica

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

Start around March 28, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 27, 2024.

  1. Dry storage

    Duration: 1095 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: light

about 3 years from start to sowing. Then 9 days to germinate.

80% germination in 6–9 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Plantago p. 55Public domain
Show the original text
Plantago (Plantaginaceae). P. purshii DS 3 y germ. 70L(80% in 6-9 d) and 70D(12% in 2nd w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Plantago p. 55. 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 High Rated by us, not by the source.

Start around March 23, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on March 22, 2024.

  1. Dry storage

    Duration: 1095 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 3 years from start to sowing. Then 14 days to germinate.

12% germination in 14 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Plantago p. 55Public domain
Show the original text
Plantago (Plantaginaceae). P. purshii DS 3 y germ. 70L(80% in 6-9 d) and 70D(12% in 2nd w).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Plantago p. 55. 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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