Building planter boxes?

Building planter boxes?

My dad and I want to build some vegetable boxes for our back yard and were wondering what types of wood would be appropriate. Would treated wood be a bad idea since we'll be eating the vegetables?
Danielle from Winter Park, FL

Danielle from Winter Park, FL

Discoveries in the garden

Discoveries in the garden

My mutant baby.

My mutant baby.

Yay yay yay! Butterflies!

Yay yay yay! Butterflies!

Reflectors

Reflectors

Hornworm eating my tomatoes!

Hornworm eating my tomatoes!