Did you know that certain animals, like monkeys, instinctively rub citrus fruits on their fur to repel biting insects? Taking a cue from nature, these DIY mosquito repellent candles harness the power of natural ingredients like lemongrass, citrus, and basil to create an effective barrier against mosquitoes.
Unlike chemical repellents, these elegant mason jar candles combine scientifically-proven natural compounds that mask human scents mosquitoes are attracted to, while doubling as beautiful centerpieces for your outdoor space.
They’re also non-toxic, environmentally friendly, and can provide protection for up to 3-5 days when properly maintained.
The Science behind Natural Mosquito Repellents
Natural ingredients like lemongrass, citrus, and basil effectively repel mosquitoes through specific chemical compounds. Lemongrass oil contains geranial (α-citral) and neral (β-citral) as its main active components, along with geraniol and citronellol, which mask human scents that attract mosquitoes.
Scientific studies have demonstrated that lemongrass oil triggers responses in mosquitoes’ olfactory receptor cells, causing them to avoid treated areas. (ref) When combined with the gentle warmth of a candle, these natural repellents create an effective protective barrier around your outdoor space.
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Why Choose DIY over Store-Bought Options?
While commercial citronella candles are readily available, they often contain synthetic ingredients and DEET, which can cause skin irritation and other health concerns. These homemade versions offer several advantages: they’re non-toxic, environmentally friendly, safer for sensitive skin, and won’t damage plastics or fabrics.
Natural repellent candles also provide longer protection, lasting 3-5 days when properly made, compared to commercial products that typically offer only 2-3 hours of repellency.
Storage & Duration
Optimal Storage Conditions:
- Store candles in a cool environment below 80.6°F
- Keep away from direct sunlight and UV light to prevent fragrance degradation
- Avoid areas with high moisture or humidity like bathrooms and kitchens
- Store in airtight containers or with lids to preserve fragrance
- Keep in a dark location away from desk lamps and spotlights
Longevity:
- Properly stored candles can maintain effectiveness longer if kept sealed and protected from heat and light
- Candles last 3-5 days when in use
- Store in the refrigerator between uses to maintain potency
- Replace water, fruit, and basil after 3-5 days
- Use citronella-based repellents within one year of opening
Proper Usage Tips
Light the candles approximately 20 minutes before outdoor activities to allow the wax to properly pool and essential oils to evaporate effectively. Place multiple candles strategically around your seating area, keeping them in wind-protected spots for optimal performance.
For best results, position candles about one inch below the rim of containers to protect the flame from breezes. Each candle provides roughly 3 hours of protection, after which you’ll need to add 1-2 more drops of essential oils to the melted wax, being careful to avoid the flame.
When using multiple candles, create a perimeter around your outdoor space, spacing them about 6-8 feet apart for maximum coverage.
Safety Considerations:
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- Keep candles at least one inch below container rims
- Never add essential oils directly to the flame
- Use heat-resistant containers made of glass or terra-cotta
- Place candles on stable, flat surfaces
- Keep away from flammable materials and out of reach of children and pets
DIY Mosquito Repellent Candles
Materials
- pint mason jars
- Floating candles
- Lemons
- Limes
- Fresh basil sprigs
- Lemongrass essential oil
- Water
Instructions
- Slice one lemon and one lime (enough for two candles)
- Place several slices of both fruits in each jar
- Add fresh basil sprigs on top of the citrus
- Fill jar with water to the threading
- Add 10-15 drops of lemongrass essential oil
- Mix contents gently
- Float a candle on top
- Light and enjoy
Source:
Davin is a jack-of-all-trades but has professional training and experience in various home and garden subjects. He leans on other experts when needed and edits and fact-checks all articles.