Ants often become a noticeable presence around homes, especially near patios, pathways, and entrances. For those seeking a straightforward and budget-friendly method to discourage ants from specific areas, the answer may lie within the kitchen cupboard.
Sprinkling a small amount of ground cinnamon where ants frequently travel-such as doorways, cracks, and patio edges-can help. The strong scent of cinnamon is believed to disrupt the scent trails ants rely on for navigation.
Studies indicate that cinnamon has a repellent effect on ants, though this should not be taken as a guaranteed colony eradication method. One research project highlighted cinnamon’s potential against foraging ants, while another found that cinnamon oil exhibited repellent properties in controlled tests.
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Despite their occasional nuisance, ants play a crucial role in garden ecosystems. The Royal Horticultural Society (RHS) advises leaving their nests undisturbed unless they cause specific issues, as ants help control other invertebrates and contribute to soil health.
Ant nests may create raised soil patches on lawns and sometimes disturb plant roots. Ants also maintain relationships with aphids, tending them for the honeydew these sap-feeding insects produce.
If ants are primarily crossing doorways, a light dusting of cinnamon can serve as a temporary barrier. Outdoor applications will likely require repetition since rain and weather conditions diminish the scent’s effectiveness.
Gardeners should inspect surroundings to identify factors encouraging ant activity. Cracks in paving, plant pots, compost heaps, and recently disturbed soil often reveal ant nesting sites.
The RHS notes that ant nests commonly appear in lawns, flower pots, compost bins, and near plant roots, making their outdoor presence normal. For lawns, the recommendation is to disperse small ant mounds by brushing away soil on dry days before mowing.
When using cinnamon as a deterrent, it is practical to apply it specifically to problem areas like doorways or pathways rather than covering an entire lawn. Targeted application is more efficient for discouraging ants along particular routes.
For ants found indoors, the priority should be to trace and eliminate their entry points and remove attractants. While cinnamon can be a cost-effective supplementary deterrent, it should not be considered a guaranteed solution to an ant infestation.