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Erythranthe lewisii

Lewis' Monkeyflower · Lewis's Monkey-flower · Great Purple Monkeyflower

Family PhrymaceaeGenus Erythranthe

A magenta-pink flower with a yellow orange-spotted throat and a fringe of fine hairs, on a leafy stem among grass.
FlowerWalter Siegmund (talk)CC BY 2.5

About the plant

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

Habit
perennial or rhizomatous geophytePlants of the World Online
Flower
Pale pink, dark magentaWikipedia
Native range
Alaska, Alberta, British Columbia, California, Colorado, Idaho and elsewhereGBIF 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; Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Named for Meriwether Lewis. It can cross freely with its sister, E. cardinalis, but the two do not interbreed in the wild, chiefly because bees pollinate it and hummingbirds pollinate the other. Wikipedia: Erythranthe lewisii

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 March 26, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: either

No stated waiting before sowing. Then 10 days to germinate.

100% germination in 8–10 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Mimulus p. 178Public domain
Show the original text
Mimulus (Scrophulariaceae). Light was required for some species. M. "Andean Nymph" germ. 70(1%)-40-70 and 40(34% in 5th w). M. "Calypso hybrids" germ. some in the 10th w at 70. M. lewisii germ. 70(100% in 8-10 d) and 40-70(100% in 4-12 d). Light had no effect. -. -
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Mimulus p. 178. 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 Moderate Rated by us, not by the source.

Start around December 24, 2026 for a May 3 last frost.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C Light: either

  2. Warm moist stratification

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

about 3 months from start to step 2. Germination happens during step 2, in 12 days.

100% germination in 4–12 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Mimulus p. 178Public domain
Show the original text
Mimulus (Scrophulariaceae). Light was required for some species. M. "Andean Nymph" germ. 70(1%)-40-70 and 40(34% in 5th w). M. "Calypso hybrids" germ. some in the 10th w at 70. M. lewisii germ. 70(100% in 8-10 d) and 40-70(100% in 4-12 d). Light had no effect. -. -
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Mimulus p. 178. 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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