Purpleflowering Raspberry

Rubus odoratus

Native to:
Canada, United States, Virgin Islands

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Rubus
Species:
Rubus odoratus
USDA Symbol:
RUOD

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub
Height:
180 cm
Light Requirements:
Full Sun,Part Shade,Shade
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
pink, purple
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★★☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

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

Host Plant for Caterpillars

Blinded Sphinx (Paonias excaecata), Epinotia medioviridana, Io moth (Automeris io), Lettered habrosyne (Habrosyne scripta), wheatear sallow (Lithophane fagina)

Reported Fauna Sightings

Bees: Bombus Latreille, Brown-belted bumble (Bombus griseocollis), Common eastern (Bombus impatiens), Confusing bumble (Bombus perplexus), Tri-colored bumble (Bombus ternarius), Two-spotted bumble (Bombus bimaculatus)

Garden & Ecology Notes

Wildlife Value:
birds, butterflies, small mammals
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers shaded or semi-shaded areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–60 days
Notes:
Seeds benefit from cold stratification for 60-90 days to break dormancy.

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI

ORGHPS Germination Guide: Sow @ 4C for 3 weeks, then place @ 20C.

Source: Ontario Rock Garden & Hardy Plant Society

Where to Buy

Nationwide Seller