You might inadvertently be bringing home pesticides from those flowers you bought at the hardware store.

Sargent says it’s common practice for nurseries around the country to treat the seeds of the plants, or the plants themselves, with pesticides called neonicotinoids, that are highly toxic to bees.

“We feel like we’re doing a good thing, only to come and find out, these plants have been pretreated with neonicotinoids.” says Sargent. “We’re saying, ‘Welcome! Come to my yard, have some pollen and nectar and refuel.’ But then we end up poisoning them instead.”

Read more here: How you could be killing bees when you’re trying to help them