Index / Search / Phacelia hastata

§1 Plant — species · Hydrophyllaceae

Phacelia hastata Douglas ex Lehm.

vernacular silverleaf phacelia


USDA
PHHA
GBIF
2928209
Rank
species
silverleaf phacelia (Phacelia hastata)
Platephotograph · Susan FawcettCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb
Duration
Perennial
Group
Dicot
Family
Hydrophyllaceae R. Br.
Genus
Phacelia
§2a

Native status, by region

  • CAN Canada Native
  • L48 Lower 48 States Native

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-38 °F minimum
Frost-free days
100 min.
Precipitation
10–18 in/yr
pH range
6.1–7.3
Root depth
10 in min.
Fertility need
Low
Soil texture
coarse, medium
§3c

Form & growth

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

Reproduction

Bloom period
Mid Spring
Seed abundance
Medium
Seed begins
Spring
Seed ends
Summer
Spread rate
Slow
Stratify
No
Seeds / lb
153,000
Propagation
seed
§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 30 of 56 Montana counties.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/PHHA ↗

GBIF Backbone

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

gbif.org/species/2928209 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-25

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