Multiflora Rose

Rosa multiflora

Native to:
China, Japan, Korea

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Rosa
Species:
Rosa multiflora
USDA Symbol:
ROMU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub , Vine
Height:
450 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun
Bloom Colors:
white, pink

Keystone Species Ranking

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

Host Plant for Caterpillars

Western tent caterpillar (Malacosoma californica)

Reported Fauna Sightings

Bees: Brown-belted bumble (Bombus griseocollis), Common eastern (Bombus impatiens), Eastern Carpenter Bee (Xylocopa virginica), Half-black bumble (Bombus vagans), Two-spotted bumble (Bombus bimaculatus), ⚠️Western honey bee (Apis mellifera), Yellow-faced bumble bee (Bombus vosnesenskii) Moths:Banded Tussock Moth (Halysidota tessellaris), Coelodasys Packard, Eastern Tent Caterpillar (Malacosoma americana), Hickory Tussock Moth (Lophocampa caryae), Stigmella rosaefoliella Butterflies:Eastern Tiger Swallowtail (Papilio glaucus), ⚠️Monarch butterfly (Danaus plexippus), Pearl Crescent (Phyciodes tharos), Small White (Pieris rapae), Wild Indigo Duskywing (Erynnis baptisiae), Zabulon Skipper (Lon zabulon)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from root crown following fire or cutting. Fire alone does not control established populations.

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage preferred
Moisture:
consistently moist
Notes:
thrives in nutrient-rich soils

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–120 days
Germination Time:
30–180 days
Notes:
Germination can be erratic and may take several months. Seeds benefit from cold stratification to break dormancy.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Expose to fluctuation outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in the spring. Requires scarification. Nick or rub between sheets of sandpaper. * soak in hot water for 24 hours to scarify

Source: Ontario Rock Garden & Hardy Plant Society