PatternBaseIdaho Fescue
Festuca idahoensis, Poaceae
Zones
3–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate
Guild Roles
Ground Cover
Growing Conditions
Sun
Full Sun (preferred)
Water
Low
Soil pH
5.5 – 7
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Antagonistic Plants
Bracken FernPteridium aquilinum
Bracken fern releases phytotoxic compounds and creates dense shade that suppresses native grasses
Japanese Blood GrassImperata cylindricaJapanese blood grass produces allelopathic compounds and forms dense root mats that exclude native grasses
Ravenna GrassSaccharum ravennaeTall Ravenna grass creates dense shade and extensive root system that outcompetes smaller native grasses
Uses
Functions
Erosion Control
Common Questions
What zones does Idaho Fescue grow in?
Idaho Fescue grows in USDA hardiness zones 3 through 8.
What are good companion plants for Idaho Fescue?
Good companions for Idaho Fescue include Indian Ricegrass, Prince Plume, California Fuchsia.
Design guilds with Idaho Fescue and see companion relationships visually.
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