Editor's Note: This story was originally published in 2019. When Dyan and Mark Eisenberger decided to make their garden in Columbia more pollinator-friendly, they started by removing nonnative plants.

Hidden predators like pollen mites, Houdini flies, and chalkbrood linger inside nests, emerging in spring and harming future generations of bees. Proper cleaning removes these threats, ensuring every ...

Watts estimates mason bee care takes about 20 minutes of setup-teardown per acre each year, plus a few days per 100 acres each fall opening nesting blocks, cleaning cocoons and putting hibernating ...