Bell Pepper

Butternut, like other walnuts, produces juglone which is toxic to many plants including peppers.

Large ash trees compete heavily for water and nutrients while shading out pepper plants

Blackthorn's extensive root system and allelopathic compounds can negatively affect pepper plants

Ocotillo's extensive shallow root system competes strongly with pepper plants for limited water

Physic nut produces toxic phorbol esters and other compounds that strongly inhibit pepper growth

Fish mint's aggressive spreading rhizomes can outcompete and crowd pepper plants in garden settings

Both nightshades have similar nutrient requirements and can compete for soil resources

Sawgrass has aggressive rhizomes and produces allelopathic compounds that inhibit pepper establishment

Tah tsai glucosinolate breakdown products inhibit pepper root development