06/08/2026
Nothing says summer in New Hampshire quite like fireflies.
If you'd like to see more of these familiar summer visitors, a few simple changes in your yard can help support their habitat.
Avoid chemicals targeting insects. Fireflies spend much of their life cycle in the soil and leaf litter, where their larvae feed on snails, slugs, and caterpillars.
Mow higher and less often. Fireflies are attracted to taller grasses and often rest on grass blades and shrubs. Maintaining a lawn at 3.5 to 4 inches can benefit fireflies while also promoting a healthier lawn.
Plant native grasses and shrubs. Native plants such as Pennsylvania sedge and little bluestem provide valuable habitat and shelter.
Reduce outdoor lighting. Artificial light can interfere with fireflies' ability to see each other's flashes, making it harder for them to communicate and find mates.
Small changes in your landscape can help support fireflies and other beneficial insects.
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