Can I send homemade jam from Canada to a friend in the US?

I would love to send some homemade jams and jellies to a good friend. I’m not sure about the regulations when sending items like this across the US/Canada border.

Related posts:

1. A question about homemade jams and jellies…?
2. What would be a good name for a business that sells homemade jams, jellies and baked goods?
3. Does anyone have a recipe for acai jelly? Not the make it wiggle jelly but homemade spread.?