![My mom puts pennies in her flower vases because copper acts as a fungicide. New penny on the left vs. one that's been reused dozens of times. : r/mildlyinteresting My mom puts pennies in her flower vases because copper acts as a fungicide. New penny on the left vs. one that's been reused dozens of times. : r/mildlyinteresting](https://i.redd.it/7n5hvi4n8ty41.jpg)
My mom puts pennies in her flower vases because copper acts as a fungicide. New penny on the left vs. one that's been reused dozens of times. : r/mildlyinteresting
![Corporate Flowers, Exhibitons & Events - Corporate Vase Displays | Penny Johnson Flowers | Coleshill, Birmingham Corporate Flowers, Exhibitons & Events - Corporate Vase Displays | Penny Johnson Flowers | Coleshill, Birmingham](https://www.pennyjohnsonflowers.com/content/images/thumbs/0003291.jpeg)
Corporate Flowers, Exhibitons & Events - Corporate Vase Displays | Penny Johnson Flowers | Coleshill, Birmingham
![Testing life-hacks: Do copper coins really make flowers live longer? | Northampton Chronicle and Echo Testing life-hacks: Do copper coins really make flowers live longer? | Northampton Chronicle and Echo](https://www.northamptonchron.co.uk/images-o.jpimedia.uk/imagefetch/http://www.northamptonchron.co.uk/webimage/Prestige.Item.1.97946930!image/image.jpg?width=1200&enable=upscale)