PatternBaseBlack Locust
Robinia pseudoacacia, Fabaceae
Guild Roles
Growing Conditions
Sun
Water
Soil pH
5 – 8
Tolerances
Companion Plants
Antagonistic Plants
Black locust produces allelopathic compounds that can inhibit growth of other nitrogen-fixing trees, competing for similar ecological niches
Beaked HazelnutCorylus cornutaBlack locust allelopathic compounds inhibit understory woody plants like hazelnut, while also creating dense shade
FilbertCorylus maximaBlack locust's allelopathic effects and aggressive canopy development can suppress filbert growth and nut production
Honeycrisp AppleMalus domestica HoneycrispBlack locust can exhibit allelopathic effects and root competition that may inhibit apple growth
Beach PlumPrunus maritimaBlack locust's allelopathic compounds are particularly inhibitory to Prunus species including beach plum
Uses
Functions
Common Questions
What zones does Black Locust grow in?
Black Locust grows in USDA hardiness zones 3 through 8.
Is Black Locust a nitrogen fixer?
Yes, Black Locust is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.
What are good companion plants for Black Locust?
Good companions for Black Locust include Asparagus, Anjou Pear, Apple.
Design guilds with Black Locust and see companion relationships visually.
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