By Melissa Wagoner Every year the Perennial Plant Association (PPA) – a non-profit organization of growers, retailers, landscape designers and educators – singles out a Perennial Plant of the Year. This year’s plant – Garden phlox. “Garden phlox is a staple in any cottage garden, with a vibrant firework of pinks, white, purples and reds,” Heather Desmarteau-Fast – a horticulturist […]