Pacific Clover
Trifolium isthmocarpum, Fabaceae
Zones
8–10
Layer
Ground Cover
Lifespan
Annual
Growth
Moderate
Guild Roles
Nitrogen FixerGround CoverPollinator Attractor
Growing Conditions
Sun
Full Sun (preferred)Partial Shade (tolerated)
Water
Moderate (established)High (seedling)
Soil pH
6 – 7.5
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Antagonistic Plants
Wild RocketEruca pinnatifida
Brassicas like wild rocket produce glucosinolates and other allelochemicals that can inhibit legume growth and nitrogen fixation
Coast BuckwheatEriogonum latifoliumBuckwheat family plants can produce allelopathic compounds that suppress nearby legumes
Hop CloverTrifolium campestreClosely related clover species compete for similar soil resources and rhizobia partners
Uses
Functions
Nitrogen FixationSoil BuildingPollinator SupportErosion Control
Common Questions
What zones does Pacific Clover grow in?
Pacific Clover grows in USDA hardiness zones 8 through 10.
Is Pacific Clover a nitrogen fixer?
Yes, Pacific Clover is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.
What are good companion plants for Pacific Clover?
Good companions for Pacific Clover include Hungarian Clover, Blue Flax, Antarctic Hair Grass.
Design guilds with Pacific Clover and see companion relationships visually.
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