Cornus rugosa Lam.

vernacular roundleaf dogwood — species · Cornaceae

USDA: CORU
GBIF: 3082245
Rank: species

roundleaf dogwood (Cornus rugosa) — Platephotograph · jessiemcfaddenCC BY-NC source · iNaturalist ↗

§2Habit & range

Growth habit: Shrub, Tree
Duration: Perennial
Group: Dicot
Family: Cornaceae Bercht. & J. Presl
Genus: Cornus

§2a

Native status, by region

CAN Canada Native
L48 Lower 48 States Native

§2b

County-level range

· 1 county across 1 state

Legend Native · 1 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: High
Shade: Low
Moisture use: Low
Fire: Medium
Salinity: None
Anaerobic: None
CaCO₃: Low
Hedging: None

§3b

Climate & soil

Cold tolerance: -28 °F minimum
Frost-free days: 90 min.
Precipitation: 18–45 in/yr
pH range: 6.4–7.8
Root depth: 18 in min.
Fertility need: Medium
Soil texture: coarse, medium

§3c

Form & growth

Growth form: Multiple Stem
Growth rate: Moderate
Lifespan: Moderate
Mature height: 10 ft
Height @ 20 y: 9 ft
Foliage texture: Coarse
Foliage colour: Green
Porosity (summer): Moderate
Porosity (winter): Porous
Flower colour: White
Fruit colour: Blue
Fire resistant: No
N fixation: None
Toxicity: None

§3d

Reproduction

Bloom period: Mid Spring
Seed abundance: Medium
Seed begins: Summer
Seed ends: Fall
Spread rate: Moderate
Stratify: Yes
Seeds / lb: 19,000
Propagation: seed, bare root, container

§3e

Use & availability

Commercial availability: No Known Source
Nursery stock: No
Browse palatability: High
Graze palatability: Low
Palatable, human: No
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 1 county across 1 state.

Rhode Island view state ↗ 1 N ▾

Providence 44007

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/CORU ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/3082245 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T18:27:19Z