Index / Search / Rubus idaeus ssp. strigosus

§1 Plant

Rubus idaeus L. ssp. strigosus (Michx.) Focke

vernacular grayleaf red raspberry — subspecies · Rosaceae


USDA
RUIDS2
GBIF
2993119
Rank
subspecies
grayleaf red raspberry (Rubus idaeus ssp. strigosus)
Platephotograph · Ole HusbyCC BY-SA source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Subshrub
Duration
Perennial
Group
Dicot
Family
Rosaceae Juss.
Genus
Rubus
§2a

Native status, by region

  • AK Alaska Native
  • CAN Canada Native
  • L48 Lower 48 States Native
  • SPM St. Pierre & Miquelon Native
§2b

County-level range

· 7 counties across 1 state
Legend Native · 7 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Medium
Shade
High
Fire
Low
Salinity
None
Anaerobic
Low
§3b

Climate & soil

Cold tolerance
-62 °F minimum
Frost-free days
88 min.
Precipitation
10–104 in/yr
pH range
5–7.5
Root depth
12 in min.
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Thicket Forming
Growth rate
Rapid
Lifespan
Short
Mature height
4 ft
Height @ 20 y
6 ft
Foliage texture
Coarse
Foliage colour
Green
Porosity (summer)
Dense
Porosity (winter)
Porous
Flower colour
White
Fruit colour
Red
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Summer
Seed begins
Summer
Seed ends
Fall
Spread rate
Rapid
Stratify
No
Seeds / lb
384,000
Propagation
cuttings
§3e

Use & availability

Nursery stock
No
Browse palatability
High
Graze palatability
High
Palatable, human
Yes
Lumber
No
Christmas tree
No

§4Counties, by state

Recorded in 7 counties across 1 state.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/RUIDS2 ↗

GBIF Backbone

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

gbif.org/species/2993119 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

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