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Basil Pitched as Natural Mosquito Repellent, but Reports Clash on Which Species Works Best

Regional studies are cited as evidence, with species identification split between purple and African basil.

Overview

  • New pieces promote basil as an outdoor mosquito deterrent comparable to or stronger than citronella in patios, balconies and galleries.
  • TN.com.ar and a Nov. 19 Los Andes report single out purple basil (Ocimum basilicum var. purpurascens) linked to estragole and eugenol as the active volatiles.
  • A Nov. 20 Los Andes article instead highlights African basil (Ocimum gratissimum), citing INTA and the National University of Córdoba, with eugenol and thymol and indications of stronger effect in heat.
  • Practical guidance emphasizes easy care in pots or beds, tolerance of heat and irregular watering, and placement near windows, tables or seating to maximize impact.
  • Coverage notes decorative and ecological benefits such as frequent flowering and pollinator attraction, while presenting differing species claims without a single standardized comparison.