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Muenchhusia moscheutos

Swamp Rose Mallow · Crimsoneyed Rosemallow · Eastern Rosemallow

Family MalvaceaeGenus Muenchhusia

Also published as Hibiscus moscheutos. You are in the right place.

A large scarlet five-petalled flower with a pale central column, buds and narrow leaves around it
FlowerDidier DescouensCC BY-SA 4.0

About the plant

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

Habit
perennial or helophytePlants of the World Online
Flower
Pink, white, red, burgundyWikipedia

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.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 28 days to germinate.

45% germination in 14–28 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Hibiscus p. 153Public domain
Show the original text
Hibiscus (Malvaceae). H. moscheutos germ. best with fresh seed in 70(45% in 2-4 w) and less in 40- 70(17% in 4-6 d). Seed DS 6 m at 40 germ. the same as fresh seed, but seed DS 6 m at 70 germ. much less.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Hibiscus p. 153. 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 High Rated by us, not by the source.

Start around December 30, 2026 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

about 3 months from start to step 2. Germination happens during step 2, in 6 days.

17% germination in 4–6 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Hibiscus p. 153Public domain
Show the original text
Hibiscus (Malvaceae). H. moscheutos germ. best with fresh seed in 70(45% in 2-4 w) and less in 40- 70(17% in 4-6 d). Seed DS 6 m at 40 germ. the same as fresh seed, but seed DS 6 m at 70 germ. much less.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Hibiscus p. 153. 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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