PatternBaseHoary Cress
Lepidium draba, Brassicaceae
Guild Roles
Growing Conditions
Sun
Water
Soil pH
6 – 8.5
Tolerances
Antagonistic Plants
Brassica species like hoary cress produce glucosinolates and other allelochemicals that inhibit growth of many native plants including asters
Silky AsterSymphyotrichum sericeumHoary cress allelochemicals negatively impact native aster species through root exudates and residue decomposition
White GoldenrodOligoneuron albumBrassica allelochemicals from hoary cress inhibit goldenrod establishment and growth
White upland asterSolidago ptarmicoidesInvasive hoary cress produces compounds that suppress native goldenrod species
Green-eyed ConeflowerRatibida tagetesHoary cress produces glucosinolates that can inhibit growth of native composite plants
Prairie False GoldenasterHeterotheca camporumInvasive hoary cress allelopathic compounds negatively impact native false goldenaster
Texas GoldentopEuthamia gymnospermoidesBrassica allelochemicals from hoary cress inhibit native goldentop establishment
Late Purple AsterSymphyotrichum patensHoary Cress is aggressive and may outcompete Late Purple Aster through allelopathy and root competition
Uses
Functions
Edible Parts
Medicinal Uses
Common Questions
What zones does Hoary Cress grow in?
Hoary Cress grows in USDA hardiness zones 3 through 9.
Design guilds with Hoary Cress and see companion relationships visually.
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