Index / Search / Flourensia cernua

§1 Plant

Flourensia cernua DC.

vernacular American tarwort — species · Asteraceae


USDA
FLCE
GBIF
3094540
Rank
species
American tarwort (Flourensia cernua)
Platephotograph · Carlos G Velazco-MaciasCC BY-NC source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Shrub
Duration
Perennial
Group
Dicot
Family
Asteraceae Bercht. & J. Presl
Genus
Flourensia
§2a

Native status, by region

  • L48 Lower 48 States Native
§2b

County-level range

· 28 counties across 3 states/territories
Legend Native · 28 Introduced · 0 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

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

Climate & soil

Cold tolerance
-23 °F minimum
Frost-free days
160 min.
Precipitation
9–24 in/yr
pH range
7–8.5
Root depth
6 in min.
Fertility need
Low
Soil texture
coarse, medium, fine
§3c

Form & growth

Growth form
Multiple Stem
Growth rate
Slow
Lifespan
Moderate
Mature height
3 ft
Height @ 20 y
3 ft
Foliage texture
Medium
Foliage colour
Green
Porosity (summer)
Moderate
Porosity (winter)
Moderate
Flower colour
Yellow
Fruit colour
White
Fire resistant
No
N fixation
None
Toxicity
None
§3d

Reproduction

Bloom period
Late Spring
Seed abundance
Medium
Seed begins
Summer
Seed ends
Summer
Spread rate
Moderate
Stratify
No
Seeds / lb
40,000
Propagation
seed, bare root, container
§3e

Use & availability

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

§4Counties, by state

Recorded in 28 counties across 3 states/territories.


§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/FLCE ↗

GBIF Backbone

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

gbif.org/species/3094540 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T14:42:51Z