CHICAGO — WGN’s “Plant Daddy” Tim Joyce is back to share some weekend gardening tips, including how to harvest tomato seeds, how hibiscus flowers get their colors and more. Got any questions for Tim?

Just because you've plucked all your garden's fruits and veggies and watered your flowers for the last time doesn't mean your gardening job is over. It's time to start harvesting seeds. While it's ...

Fall is the perfect time to start collecting seeds from your garden. As temperatures drop and plants finish their growing cycle, they naturally produce mature seeds ready for harvest. Why bother with ...