How are frogs,hedgehogs and ladybirds helpful to gardeners?
They help control pests by eating them. So they provide a eco-friendly cheap and easy alternative to chemicals which can be expensive, time consuming and can fail after time. Also, they enrich the garden, frogs and hedgehogs are interesting to watch as they carry out their activities in the garden, and ladybirds add some colour as they climb plants in search of aphids etc. All this is a free bonus to a garden giving it more charactor.