Scarlet Rosemallow

Hibiscus coccineus

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Malvaceae
Genus:
Hibiscus
Species:
Hibiscus coccineus
USDA Symbol:
HICO2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
240 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
red, scarlet

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:
★★★☆☆ Butterfly & moth species supported by this genus (NWF)

Reported Fauna Sightings

Butterflies:Silver-spotted Skipper (Epargyreus clarus)

Garden & Ecology Notes

Wildlife Value:
hummingbirds, butterflies, bees
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from rootstock after fire or winter dieback; native to fire-maintained wetland margins and swamps.

Soil Requirements

Soil Type:
moist, rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Thrives in wetland areas and along streams.

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Scarification or soaking seeds in warm water for 24 hours improves germination. Seeds germinate best with warm temperatures around 70-75°F.

The above propagation data sourced from Claude AI

Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days

Source: Claude AI