Rosa kamtchatica

Rosa rugosa

Native to:
China, Japan, Korea

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Rosa
Species:
Rosa rugosa
USDA Symbol:
ROKA2

Growth Characteristics

Height:
200 cm
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug,sep
Bloom Colors:
pink, white, magenta
Food Forest:
Contains edible parts
Landscaping Shrub:
Yes

Keystone Species Ranking

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

Host Plant for Caterpillars

Io moth (Automeris io)

Reported Fauna Sightings

Bees: Brown-belted bumble (Bombus griseocollis), Common eastern (Bombus impatiens), Fuzzy-horned bumble bee (Bombus mixtus), Northern amber bumble bee (Bombus borealis), Pyrobombus Dalla, Two-spotted bumble (Bombus bimaculatus), ⚠️Western honey bee (Apis mellifera), Yellow bumble bee (Bombus fervidus), Yellow-faced bumble bee (Bombus vosnesenskii)

Garden & Ecology Notes

Wildlife Value:
birds, bees, butterflies, small mammals
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fragrant:
Yes
Fall Color:
yellow, orange
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from the root crown following fire or cutting.

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–120 days
Germination Time:
30–365 days
Notes:
Germination can be erratic and may take up to a year. Fresh seed germinates more readily than dried seed.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Use repeated cycles of 20°C, then 4°C for 3 months each. Germination is very prolonged. Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water for approximately 7 days. Discard water. * soak in hot water for 24 hours to scarify

Source: Ontario Rock Garden & Hardy Plant Society