"The stem end should be indented and should ... look for a yellow-hued rind. Skip honeydew melons that appear pale or green on the outside. "A green tint means it is not ripe," says Erin Hooker ...
All during its growing season, your cantaloupe melon will have a green webbing or netting appearance ... The integrity of the stem of the cantaloupe melon is an important factor as well.