Foilage and greenery is a great way to add some color, texture and liveliness to your mantle. It feels so natural, using leaves and natural elements you can find in your backyard. You can use it as a conversation piece or centerpiece, or even hang it from the mantel like a garland!
For example, here are some fall plants that look great when used in vases:
If you want to use bold colors, you can focus on deep orange, red and yellows. If you want a subtle color, use neutrals and even whites for flowers.