Index / Search / Mertensia ciliata

§1 Plant — species · Boraginaceae

Mertensia ciliata (James ex Torr.) G. Don

vernacular tall fringed bluebells


USDA
MECI3
GBIF
5341240
Rank
species
tall fringed bluebells (Mertensia ciliata)
Platephotograph · Valerie NortonCC BY-NC-ND source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Perennial
Group
Dicot
Family
Boraginaceae Juss.
Genus
Mertensia
§2a

Native status, by region

  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought
Low
Shade
Medium
Moisture use
High
Fire
Medium
Salinity
None
Anaerobic
Medium
CaCO₃
Low
Hedging
None
§3b

Climate & soil

Cold tolerance
-23 °F minimum
Frost-free days
100 min.
Precipitation
12–65 in/yr
pH range
6.2–7.2
Root depth
10 in min.
Fertility need
High
Soil texture
coarse, medium
§3c

Form & growth

Growth form
Rhizomatous
Growth rate
Moderate
Lifespan
Moderate
Mature height
2 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Porous
Flower colour
Blue
Fruit colour
Brown
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
Medium
Seed begins
Summer
Seed ends
Fall
Spread rate
Slow
Stratify
Yes
Seeds / lb
225,000
Propagation
seed, cuttings, bare root
§3e

Use & availability

Commercial availability
Contracting Only
Nursery stock
No
Browse palatability
Low
Graze palatability
Low
Palatable, human
No
Protein potential
Low
Lumber
No
Christmas tree
No

§4Montana distribution

Recorded in 17 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/MECI3 ↗

GBIF Backbone

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

gbif.org/species/5341240 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

fetched 2026-05-25T16:28:53Z