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Poaceae family

Earle's Fescue Festuca earlei

Native

Earle's Fescue is a perennial grass native to the lower 48 states. It blooms Jul – Aug.

More about this plant

Festuca earlei, also known as Earle's fescue, is a species of grass in the family Poaceae. This species is native to Arizona, Colorado, New Mexico, and Utah. Is perennial and prefers temperate biomes. This species was first described in 1905. Wikipedia →

Growing & care

USDA PLANTS · TRY
Conditions
Sources · Conditions
Cold hardiness (derived) — Hardiness
Hardiness
≥ zone 7 derived from its U.S. range
Size & form
Sources · Size & form
USDA PLANTS — Lifespan
TRY Plant Trait Database (CC BY 4.0) — Foliage
Lifespan
Perennial
Foliage
Broadleaf
In the garden
Herb layer — Sits in the herb of a layered food forest or polyculture.Open guide →
derived roles
The garden year bloom → fruit → fall colour
J
F
M
A
M
J
J
A
S
O
N
D
Bloom
Bloom (the flower's colour)
Bloom · Jul – Aug — 29 obs · Herbarium specimens — Park et al. 2023 (CC BY 4.0)
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.

Wildlife & pollinators

How pollinator value is scored →
❧ Caterpillar hosts ~4 caterpillar species

Festuca supports ~4 caterpillar species.

Native butterfly & moth caterpillars are the base of the terrestrial food web — most songbirds rear their young almost entirely on them. As a host for native Lepidoptera this is a modest genus.

Recorded feeding on Festuca in North America, including:

Agriphila straminella · snout moth Apamea obscuroides · owlet moth Chrysoteuchia culmella · snout moth Chrysoteuchia topiaria · snout moth Coenonympha tullia · Common Ringlet Gynaephora groenlandica · tussock moth
+ 8 more species →
Hesperia comma · Silver-Spotted Skipper Hesperia lindseyi · Lindsey's Skipper Hesperia miriamae · skipper butterfly Hesperia nevada · Nevada Skipper Hesperia sassacus · Indian Skipper Oeneis alberta · Alberta Arctic Oeneis bore · brush-footed butterfly Oeneis polixenes · Polixenes Arctic
Keystone count (genus-level) from Warren II 2026 (CC0) · Tallamy host-use records. Named species (a documented Nearctic sample, not exhaustive) from NHM HOSTS (CC0).
Species thumbnails re-hosted from iNaturalist — Creative Commons, credited per image (hover for credit). Click any species to see it on iNaturalist. Not exhaustive; many taxa have no openly-licensed photo yet.
Sources for this entry (13) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — USDA PLANTS (DwCA, Zenodo 17903503) — native status
[06] Description — Wikipedia (CC BY-SA)
[07] Ecological value — Warren II 2026 (CC0) · Tallamy host-use counts
[10] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
[11] Caterpillar host count — Warren II 2026 (Dryad, CC0) · Tallamy host-use counts
[12] Caterpillar species — NHM HOSTS (CC0)
[13] County range — GBIF Open Data — open-licensed occurrences (CC0/CC-BY) → county
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