get rid of the grass and put cement instead or use poisoning.
There aren't many insects that eat garden worms. However, ants will eat garden worms that they find around the garden dead.
They are useful because worms chew your food and turn it into garden fertilizer.
worms
can earth worms be put directly in garden
Usually you will see them.
If by 'garden snake' you meant Garter Snake (Genus Thamnophis) - then yes. Worms are part of their natural diet.
The thick green and black striped worms in a flower garden are cut worms, also called horn worms. These do not harm people but can devastate a garden. They are known for eating tremendous amounts of vegetation overnight.
yes
they will be dead
Lots of things live in a garden. Spiders, Insects, Beetles, worms, ladybugs
They will not harm them; however they will not live on the food scrapes you are putting in your farm like the red worms will.
The best type of worms I've used in my garden are earth worms. Mainly night crawlers. They work really well for adding air to the soil. They do tend to multiply quickly. Good Luck.