It’s hydrangea season! Check out this simple DIY hydrangea runner for a stunning and budget-friendly centerpiece. Add a few candles to elevate the look even more! Things to know: ( comment Link to shop this post) You will need to purchase wet floral foam. Use as many pieces needed to fill your vase. Also, I bought a really long plastic tray/vase at the floral store. This tray helps keep the water from the foam contained. If you want to make a very long arrangement you can use more than one vase.