The prickly spines of cacti act as a natural deterrent for pigeons, making it difficult for them to perch or nest.
Pigeons are repelled by the strong aroma of mint, making it an effective natural pigeon deterrent when planted in gardens or placed in pots.
Known for its mosquito-repelling properties, citronella plants emit a scent that also deters pigeons, making them a dual-purpose pest control plant.
The pungent odor of garlic plants can deter pigeons, making them less likely to approach areas where these plants are grown.
Pigeons tend to avoid areas with daffodils, possibly because they are toxic to birds and emit a scent that pigeons find unappealing.