This ombré arrangement of ranunculus, tulips, and amaryllis uses color to create a sense of movement; a heavy weathered urn adds additional drama, making the centerpiece a shoo-in for a starring role on an entrance table. Oka bench, Taylor Creative, taylorcreativeinc.com. Glasses, the Prop Company, 212-691-7767. All orange flowers provided by Harvest Wholesale Floral, NYC, harvestwholesale.com. Floral design by Ariella Chezar, ariellaflowers.com.