Erigeron petrophilus Greene

vernacular rockloving erigeron — species · Asteraceae

USDA: ERPE5
GBIF: 3147417
Rank: species

rockloving erigeron (Erigeron petrophilus) — Platephotograph · Denise WightCC BY-NC source · iNaturalist ↗

§2Habit & range

Growth habit: Forb/herb
Duration: Perennial
Group: Dicot
Family: Asteraceae Bercht. & J. Presl
Genus: Erigeron

§2a

Native status, by region

L48 Lower 48 States Native

§2b

County-level range

· 28 counties across 2 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: Medium
Shade: Low
Moisture use: Low
Fire: Low
Salinity: None
Anaerobic: None
CaCO₃: Medium
Hedging: None

§3b

Climate & soil

Cold tolerance: 7 °F minimum
Frost-free days: 180 min.
Precipitation: 18–30 in/yr
pH range: 6.4–8.5
Root depth: 12 in min.
Fertility need: Low
Soil texture: coarse, medium

§3c

Form & growth

Growth form: Single Crown
Growth rate: Moderate
Lifespan: Moderate
Mature height: 1 ft
Foliage texture: Medium
Foliage colour: Gray-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 Summer
Seed abundance: Medium
Seed begins: Summer
Seed ends: Fall
Spread rate: Slow
Stratify: No
Seeds / lb: 250,000
Propagation: seed

§3e

Use & availability

Commercial availability: No Known Source
Nursery stock: No
Palatable, human: No
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 28 counties across 2 states/territories.

§5Sources & provenance

USDA PLANTS

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

plants.usda.gov/ERPE5 ↗

GBIF Backbone

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

gbif.org/species/3147417 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z