We live in a homeowner’s association with a covenant about the percentage of mulch (organic/wood) we can use compared to rock. It only allows 25% of our landscaping to be wood. They claim that wood mulch is home to rodents of all kinds. We prefer wood bark. Is there a publication I can use to argue our case?

All mulching materials have advantages and disadvantages. Research did not yield any documents that make a watertight case for or against any of them, including crushed rock, lava, etc. Here are some frequently mentioned concerns:

1. Rock mulch such as …

How are bats beneficial?

While they won’t make your backyard insect free, bats do consume vast amounts of insects such as mosquitoes and crop damaging insects each night. Not only that but many bats that feed on nectar and pollen are important pollinators. Others …